Cerca: "curvy booty", pagina 11

Do you like how i spread them booty cheeks? Hope you like curvy hotwife fat pussy @AdultFuck.club #egAJeoU9 1 29,1K
Avatar di Hotwife-Swinger-Threesome
Phat Booty Twerking Ass Looking Good n Dat Yellow .. We Need I.D !! #1P0ztCa5 4 1 29,5K Phat Booty Twerking Ass Looking Good n Dat Yellow .. We Need I.D !! #s5E7Wbp0 Phat Booty Twerking Ass Looking Good n Dat Yellow .. We Need I.D !! #E2Y6vM3Y Phat Booty Twerking Ass Looking Good n Dat Yellow .. We Need I.D !! #HjO61OPa Phat Booty Twerking Ass Looking Good n Dat Yellow .. We Need I.D !! #xtVYnGp3
L
Curvy n Sexy w/ Phat Booty #PVe0cWmx 15 8 34,9K Curvy n Sexy w/ Phat Booty #mXnuXUXI Curvy n Sexy w/ Phat Booty #woXU9rk5 Curvy n Sexy w/ Phat Booty #i9MfF9lk Curvy n Sexy w/ Phat Booty #UdaJOCOf Curvy n Sexy w/ Phat Booty #0sPqQ4dX Curvy n Sexy w/ Phat Booty #2m5wwASh Curvy n Sexy w/ Phat Booty #Dwati3iK Curvy n Sexy w/ Phat Booty #xfhaqQrA Curvy n Sexy w/ Phat Booty #MyzrgdqH
L
Curvy n Sexy w/ Phat Booty luvmesumcurves1
Curvy latina with huge ass gets fucked by a bbc #dWXLyt3b 1 40,6K
Avatar di BzkLov
Making BBWs Look Good #22 Thick Phat Booty Cutie #BXzYe97S 7 1 14,3K Making BBWs Look Good #22 Thick Phat Booty Cutie #97xUKg60 Making BBWs Look Good #22 Thick Phat Booty Cutie #AVfBlmfx Making BBWs Look Good #22 Thick Phat Booty Cutie #XAWlDb8r Making BBWs Look Good #22 Thick Phat Booty Cutie #epVHKAae Making BBWs Look Good #22 Thick Phat Booty Cutie #XbuL0Cyx Making BBWs Look Good #22 Thick Phat Booty Cutie #IuVU9MHI Making BBWs Look Good #22 Thick Phat Booty Cutie #dPl7Xrrv
L
Thick n All Da Right Places #7 Phat Ass Booty n Curvy .. We Need I.D !! #rhM92XgV 10 3 25,9K Thick n All Da Right Places #7 Phat Ass Booty n Curvy .. We Need I.D !! #fd5mIgxl Thick n All Da Right Places #7 Phat Ass Booty n Curvy .. We Need I.D !! #JzzBiq0z Thick n All Da Right Places #7 Phat Ass Booty n Curvy .. We Need I.D !! #YawtqW4p Thick n All Da Right Places #7 Phat Ass Booty n Curvy .. We Need I.D !! #lXmzlBkF Thick n All Da Right Places #7 Phat Ass Booty n Curvy .. We Need I.D !! #FE0foTWN Thick n All Da Right Places #7 Phat Ass Booty n Curvy .. We Need I.D !! #N4k9DyzS Thick n All Da Right Places #7 Phat Ass Booty n Curvy .. We Need I.D !! #ONOz6dTF Thick n All Da Right Places #7 Phat Ass Booty n Curvy .. We Need I.D !! #fQNfZ3Z7 Thick n All Da Right Places #7 Phat Ass Booty n Curvy .. We Need I.D !! #hv5kfln6
L
Latifa - Sexy Curvy Moroccan Gril #Ipa59V9T 10 1 46,3K Latifa - Sexy Curvy Moroccan Gril #rWf8v3f0 Latifa - Sexy Curvy Moroccan Gril #dqUkmUkg Latifa - Sexy Curvy Moroccan Gril #K8eeGOIl Latifa - Sexy Curvy Moroccan Gril #GPHtWPCs Latifa - Sexy Curvy Moroccan Gril #jjk3VDn3 Latifa - Sexy Curvy Moroccan Gril #IsUAoSDQ Latifa - Sexy Curvy Moroccan Gril #CZ0KIWQT Latifa - Sexy Curvy Moroccan Gril #9Asf8aug Latifa - Sexy Curvy Moroccan Gril #bkJqRaU3
Avatar di epiceMR
Soooo Busty u Gotta Look #9 Thick Curvy n Sexy #p33Tgn9t 17 2 23,6K Soooo Busty u Gotta Look #9 Thick Curvy n Sexy #rgGISwh7 Soooo Busty u Gotta Look #9 Thick Curvy n Sexy #dXlSY0x9 Soooo Busty u Gotta Look #9 Thick Curvy n Sexy #UOGPTwVw Soooo Busty u Gotta Look #9 Thick Curvy n Sexy #oGhYNWTf Soooo Busty u Gotta Look #9 Thick Curvy n Sexy #FEBjcxNn Soooo Busty u Gotta Look #9 Thick Curvy n Sexy #ohStCqJQ Soooo Busty u Gotta Look #9 Thick Curvy n Sexy #VOkL2Hux Soooo Busty u Gotta Look #9 Thick Curvy n Sexy #j2SwrhZ8 Soooo Busty u Gotta Look #9 Thick Curvy n Sexy #kwA5n4l5
L
ThickThighsSavesLives 4real #8 Curvy w Phat Ass Booty #quReR0Ve 5 3 20,8K ThickThighsSavesLives 4real #8 Curvy w Phat Ass Booty #4eeGpijE ThickThighsSavesLives 4real #8 Curvy w Phat Ass Booty #Ura9jqY1 ThickThighsSavesLives 4real #8 Curvy w Phat Ass Booty #Ic3GTj2h ThickThighsSavesLives 4real #8 Curvy w Phat Ass Booty #wtr7eI8z ThickThighsSavesLives 4real #8 Curvy w Phat Ass Booty #mtidZyFb ThickThighsSavesLives 4real #8 Curvy w Phat Ass Booty #XSqxSCQE ThickThighsSavesLives 4real #8 Curvy w Phat Ass Booty #4Fjb1eUN
L
Thick PAWG Tatted n Curvy #F2LkGZUI 44 4 29,7K Thick PAWG Tatted n Curvy #MTU2R2gz Thick PAWG Tatted n Curvy #tHlwnrXA Thick PAWG Tatted n Curvy #c5RblKR7 Thick PAWG Tatted n Curvy #2NrBCRHC Thick PAWG Tatted n Curvy #FSZ8uYcy Thick PAWG Tatted n Curvy #mG1Z9IOw Thick PAWG Tatted n Curvy #1BVwuVYJ Thick PAWG Tatted n Curvy #1NcQKmYj Thick PAWG Tatted n Curvy #wuGyfOJR
L
Thick PAWG Tatted n Curvy luvmesumcurves1
Darker Da Berry 4real #10 SlimThick Model Curvy n Sexy #kwIPeH5f 39 6 27K Darker Da Berry 4real #10 SlimThick Model Curvy n Sexy #gMcmfrWV Darker Da Berry 4real #10 SlimThick Model Curvy n Sexy #NmYv8ckv Darker Da Berry 4real #10 SlimThick Model Curvy n Sexy #ubf39lRS Darker Da Berry 4real #10 SlimThick Model Curvy n Sexy #5o7tgUkg Darker Da Berry 4real #10 SlimThick Model Curvy n Sexy #oUrqgV3q Darker Da Berry 4real #10 SlimThick Model Curvy n Sexy #UEaWl5hV Darker Da Berry 4real #10 SlimThick Model Curvy n Sexy #kXPxR2BF Darker Da Berry 4real #10 SlimThick Model Curvy n Sexy #C9WnzJ7R Darker Da Berry 4real #10 SlimThick Model Curvy n Sexy #s1iliKRX
L
HipsDontLie #3 Busty Sexy n Curvy Belly Dancing #y3yFqLeZ 7 2 34K HipsDontLie #3 Busty Sexy n Curvy Belly Dancing #rbstdjRf HipsDontLie #3 Busty Sexy n Curvy Belly Dancing #vJ5pZm0f HipsDontLie #3 Busty Sexy n Curvy Belly Dancing #1ul4XXbh HipsDontLie #3 Busty Sexy n Curvy Belly Dancing #pawPpq0a HipsDontLie #3 Busty Sexy n Curvy Belly Dancing #XZRuMo6y HipsDontLie #3 Busty Sexy n Curvy Belly Dancing #42R0NJS8 HipsDontLie #3 Busty Sexy n Curvy Belly Dancing #Yezp0zcR HipsDontLie #3 Busty Sexy n Curvy Belly Dancing #vxPjJ6Kt
L
Busty Thick n FunSize Curvy n Curly Hair #otLl4LKb 41 2 29,4K Busty Thick n FunSize Curvy n Curly Hair #4V2XSuSz Busty Thick n FunSize Curvy n Curly Hair #6xkRX0CJ Busty Thick n FunSize Curvy n Curly Hair #UjvHza4e Busty Thick n FunSize Curvy n Curly Hair #BoUid2Tu Busty Thick n FunSize Curvy n Curly Hair #PY8o1EQK Busty Thick n FunSize Curvy n Curly Hair #oUovCdin Busty Thick n FunSize Curvy n Curly Hair #09jelFms Busty Thick n FunSize Curvy n Curly Hair #A6rj0U84 Busty Thick n FunSize Curvy n Curly Hair #GVaMRGLi
L
Big Booty Ebony Milf Twerking #2US0gYrO 5 28,7K Big Booty Ebony Milf Twerking #4TjbSyZB Big Booty Ebony Milf Twerking #F6VEK0Qb Big Booty Ebony Milf Twerking #uya3indU Big Booty Ebony Milf Twerking #d50KbCPM
G
Slim Thick n Curvy w/ Nice Ass #g3qIkbbF 24 3 29,3K Slim Thick n Curvy w/ Nice Ass #QfrkLd2x Slim Thick n Curvy w/ Nice Ass #iVPJa4bJ Slim Thick n Curvy w/ Nice Ass #jKZr3Zcj Slim Thick n Curvy w/ Nice Ass #WdT965Zh Slim Thick n Curvy w/ Nice Ass #BoMsUGeh Slim Thick n Curvy w/ Nice Ass #KH9TcDxA Slim Thick n Curvy w/ Nice Ass #TAbOEfj1 Slim Thick n Curvy w/ Nice Ass #aW4UwjVV Slim Thick n Curvy w/ Nice Ass #bQDcWEOt
L
Meriam - Curvy Moroccan Girl #EteCgh2J 22 2 63,9K Meriam - Curvy Moroccan Girl #AuNvOe32 Meriam - Curvy Moroccan Girl #GfJ3190O Meriam - Curvy Moroccan Girl #Tu3gJydo Meriam - Curvy Moroccan Girl #Zb3oqHFf Meriam - Curvy Moroccan Girl #AwtdI7UC Meriam - Curvy Moroccan Girl #u8HybbrY Meriam - Curvy Moroccan Girl #JQfx8OrD Meriam - Curvy Moroccan Girl #RgXRdZU2 Meriam - Curvy Moroccan Girl #QjWJG8Qm Meriam - Curvy Moroccan Girl #OX1mqbao
Avatar di epiceMR
MyType MailLady Thick n Cute w/ Big Booty All Natural Pretty Eyes Curly Hair #IwN61VDn 22 8 23,4K MyType MailLady Thick n Cute w/ Big Booty All Natural Pretty Eyes Curly Hair #JcB3Il0P MyType MailLady Thick n Cute w/ Big Booty All Natural Pretty Eyes Curly Hair #LrXxUrmm MyType MailLady Thick n Cute w/ Big Booty All Natural Pretty Eyes Curly Hair #wKgQ4i8s MyType MailLady Thick n Cute w/ Big Booty All Natural Pretty Eyes Curly Hair #QI8GMSDe MyType MailLady Thick n Cute w/ Big Booty All Natural Pretty Eyes Curly Hair #qGdEvMOv MyType MailLady Thick n Cute w/ Big Booty All Natural Pretty Eyes Curly Hair #aAozVJ2q MyType MailLady Thick n Cute w/ Big Booty All Natural Pretty Eyes Curly Hair #bAYjhJ1E MyType MailLady Thick n Cute w/ Big Booty All Natural Pretty Eyes Curly Hair #cxXOw7qb MyType MailLady Thick n Cute w/ Big Booty All Natural Pretty Eyes Curly Hair #QgJQzN4w
L
MyType FunSize #9 Thick Curvy w/ Big Booty #HpIWOPXE 6 1 26,8K MyType FunSize #9 Thick Curvy w/ Big Booty #WYXCGQMJ MyType FunSize #9 Thick Curvy w/ Big Booty #UWMkc65V MyType FunSize #9 Thick Curvy w/ Big Booty #7chznHJm MyType FunSize #9 Thick Curvy w/ Big Booty #Zq449oN7 MyType FunSize #9 Thick Curvy w/ Big Booty #qKyzrXaj MyType FunSize #9 Thick Curvy w/ Big Booty #ihIwOkDc
L
Phat Ass Booty Jiggling n Thick n Lingerie.. We Need I.D !! #Ij3ckvC4 4 1 17,2K Phat Ass Booty Jiggling n Thick n Lingerie.. We Need I.D !! #rI0qgtu8 Phat Ass Booty Jiggling n Thick n Lingerie.. We Need I.D !! #zPItX2rh Phat Ass Booty Jiggling n Thick n Lingerie.. We Need I.D !! #8IAo7N4v Phat Ass Booty Jiggling n Thick n Lingerie.. We Need I.D !! #aNodmHAQ
L
MyType Stripper #9 Thick Phat Booty RedBone #EPmO8pS2 7 29K MyType Stripper #9 Thick Phat Booty RedBone #DANekBcI MyType Stripper #9 Thick Phat Booty RedBone #W1vn7fwB MyType Stripper #9 Thick Phat Booty RedBone #2cMTRSet MyType Stripper #9 Thick Phat Booty RedBone #pl8ckJKq MyType Stripper #9 Thick Phat Booty RedBone #9U3PKVCi MyType Stripper #9 Thick Phat Booty RedBone #i3Ev9rpg
L
Curvy Latina Slut With Huge Ass Fucks Her Date #F1WM7kqS 1 1 29,8K Curvy Latina Slut With Huge Ass Fucks Her Date #fv75xbw4
Avatar di OnlineXSluts
MyType Curves #15 ThickAF n Phat Ass Booty .. We Need I.D !! #YN7KEZ6X 5 22,9K MyType Curves #15 ThickAF n Phat Ass Booty .. We Need I.D !! #HiNRljfP MyType Curves #15 ThickAF n Phat Ass Booty .. We Need I.D !! #dLgNiGzs MyType Curves #15 ThickAF n Phat Ass Booty .. We Need I.D !! #ZKVJqiXC MyType Curves #15 ThickAF n Phat Ass Booty .. We Need I.D !! #eMgUlpyT
L
Thick Sexy n Latina w/ Phat Booty n Tattoos #ki7VVDbL 14 1 31,1K Thick Sexy n Latina w/ Phat Booty n Tattoos #ETfTwkMC Thick Sexy n Latina w/ Phat Booty n Tattoos #hYDUixbD Thick Sexy n Latina w/ Phat Booty n Tattoos #wl48QY1Y Thick Sexy n Latina w/ Phat Booty n Tattoos #dHdW9Ya5 Thick Sexy n Latina w/ Phat Booty n Tattoos #R7Mu9KEa Thick Sexy n Latina w/ Phat Booty n Tattoos #oHm46VR5 Thick Sexy n Latina w/ Phat Booty n Tattoos #JhdlC5jU Thick Sexy n Latina w/ Phat Booty n Tattoos #mH9EXge4 Thick Sexy n Latina w/ Phat Booty n Tattoos #r0znvm4A Thick Sexy n Latina w/ Phat Booty n Tattoos #tmf5Bmjv
L
lil Extra Thick #2 Curvy w/ Phat Ass n Bikini #mvtLE7Ia 13 6 26,1K lil Extra Thick #2 Curvy w/ Phat Ass n Bikini #6TFVVfyG lil Extra Thick #2 Curvy w/ Phat Ass n Bikini #hG3vGlPm lil Extra Thick #2 Curvy w/ Phat Ass n Bikini #5tetHdUc lil Extra Thick #2 Curvy w/ Phat Ass n Bikini #P7uMmjIw lil Extra Thick #2 Curvy w/ Phat Ass n Bikini #Op1y0mOY lil Extra Thick #2 Curvy w/ Phat Ass n Bikini #Y55KFuOv lil Extra Thick #2 Curvy w/ Phat Ass n Bikini #53YWustP lil Extra Thick #2 Curvy w/ Phat Ass n Bikini #dBQEMcDm lil Extra Thick #2 Curvy w/ Phat Ass n Bikini #dgbjPfkB
L
BBC fuvks his Big booty neighbor #Kg2xUyGK 4 1 20K BBC fuvks his Big booty neighbor #wBktTjnt BBC fuvks his Big booty neighbor #fcnm8xpz BBC fuvks his Big booty neighbor #Kb2y1xhr BBC fuvks his Big booty neighbor #CfkTDpbl
Avatar di Plover713
MyType Big Booty Model #11 Thick n Natural Phat Ass Booty #O8rR1513 12 2 31,2K MyType Big Booty Model #11 Thick n Natural Phat Ass Booty #1yYaFSxa MyType Big Booty Model #11 Thick n Natural Phat Ass Booty #JXEaFKej MyType Big Booty Model #11 Thick n Natural Phat Ass Booty #DxtJJ7Qi MyType Big Booty Model #11 Thick n Natural Phat Ass Booty #LHIQO2MI MyType Big Booty Model #11 Thick n Natural Phat Ass Booty #KJDO8Cx1 MyType Big Booty Model #11 Thick n Natural Phat Ass Booty #DLWXizKn MyType Big Booty Model #11 Thick n Natural Phat Ass Booty #z2TOwqG3 MyType Big Booty Model #11 Thick n Natural Phat Ass Booty #3hRihFFG MyType Big Booty Model #11 Thick n Natural Phat Ass Booty #ueE5dE7c
L
Big Booty Latina Riding Dildo on Wall thick Thursday #YXgyK3ML 3 1 30,5K Big Booty Latina Riding Dildo on Wall thick Thursday #XhWeZAGl Big Booty Latina Riding Dildo on Wall thick Thursday #CpWPcELA Big Booty Latina Riding Dildo on Wall thick Thursday #EgNDkn5j
Avatar di Plover713
😍🍑 #btm0HCOn 22 17,7K 😍🍑 #hGClqQrX 😍🍑 #rLfVKfnF 😍🍑 #OrWa3HGK 😍🍑 #zL5zwihu 😍🍑 #6ZAAgHhB 😍🍑 #cmMtoglr 😍🍑 #7XNE3GPF 😍🍑 #49ofODJK 😍🍑 #XMI6lFxj
Avatar di KINGSMAN_
😍🍑 KINGSMAN_
Big-assed indian shakes her booty #FaDwAP5P 1 35,7K
Avatar di Best_Sluts
lil EXTRA Thick #10 Phat Booty RedBone CurvyAF Sexy n Da Ocean .. We Need I.D !! #jMZEhNgs 5 1 26,7K lil EXTRA Thick #10 Phat Booty RedBone CurvyAF Sexy n Da Ocean .. We Need I.D !! #2HlaAIIX lil EXTRA Thick #10 Phat Booty RedBone CurvyAF Sexy n Da Ocean .. We Need I.D !! #LiJYnB9U lil EXTRA Thick #10 Phat Booty RedBone CurvyAF Sexy n Da Ocean .. We Need I.D !! #zDzZE7Zh lil EXTRA Thick #10 Phat Booty RedBone CurvyAF Sexy n Da Ocean .. We Need I.D !! #K02zjV6s lil EXTRA Thick #10 Phat Booty RedBone CurvyAF Sexy n Da Ocean .. We Need I.D !! #CMEQAw0V
L
Darker Da Berry 4real #12 Thick Fit n Curvy w/ Big Booty n Kitchen .. We Need .. I.D !! #goka1TQl 9 1 28,2K Darker Da Berry 4real #12 Thick Fit n Curvy w/ Big Booty n Kitchen .. We Need .. I.D !! #nkAC6B6r Darker Da Berry 4real #12 Thick Fit n Curvy w/ Big Booty n Kitchen .. We Need .. I.D !! #Po5VAPE3 Darker Da Berry 4real #12 Thick Fit n Curvy w/ Big Booty n Kitchen .. We Need .. I.D !! #GMrfQj2x Darker Da Berry 4real #12 Thick Fit n Curvy w/ Big Booty n Kitchen .. We Need .. I.D !! #AaPeDkaE Darker Da Berry 4real #12 Thick Fit n Curvy w/ Big Booty n Kitchen .. We Need .. I.D !! #JGposTTy Darker Da Berry 4real #12 Thick Fit n Curvy w/ Big Booty n Kitchen .. We Need .. I.D !! #reKL2E29 Darker Da Berry 4real #12 Thick Fit n Curvy w/ Big Booty n Kitchen .. We Need .. I.D !! #zHhdvuyB Darker Da Berry 4real #12 Thick Fit n Curvy w/ Big Booty n Kitchen .. We Need .. I.D !! #SQ2lCvQT Darker Da Berry 4real #12 Thick Fit n Curvy w/ Big Booty n Kitchen .. We Need .. I.D !! #8mVKkeYh
L
Curvy Slut Public Sex On Her First Date #fUkpozxx 1 1 31,7K Curvy Slut Public Sex On Her First Date #rozl9RFB
Avatar di OnlineXSluts
MyType CamGirl #11 Phat Booty Thick n Curvy #1ax8rBDh 14 1 18,5K MyType CamGirl #11 Phat Booty Thick n Curvy #ilk3fyuQ MyType CamGirl #11 Phat Booty Thick n Curvy #ncUoOstR MyType CamGirl #11 Phat Booty Thick n Curvy #LtYUg69R MyType CamGirl #11 Phat Booty Thick n Curvy #g4znxh5S MyType CamGirl #11 Phat Booty Thick n Curvy #9q9FlAgK MyType CamGirl #11 Phat Booty Thick n Curvy #reYjeL8l MyType CamGirl #11 Phat Booty Thick n Curvy #qKAvH3LL MyType CamGirl #11 Phat Booty Thick n Curvy #r9a74QQ9 MyType CamGirl #11 Phat Booty Thick n Curvy #tMys55z2
L
Thick Busty n Phat Ass Booty Walking n Da Room ..We Need I.D !! #S89evpTs 8 2 22,1K Thick Busty n Phat Ass Booty Walking n Da Room ..We Need I.D !! #oqXSWzvl Thick Busty n Phat Ass Booty Walking n Da Room ..We Need I.D !! #O3QCWrCj Thick Busty n Phat Ass Booty Walking n Da Room ..We Need I.D !! #17rTTAvi Thick Busty n Phat Ass Booty Walking n Da Room ..We Need I.D !! #4kA73Hrv Thick Busty n Phat Ass Booty Walking n Da Room ..We Need I.D !! #K8MCbePX Thick Busty n Phat Ass Booty Walking n Da Room ..We Need I.D !! #1ZxXS1Xl Thick Busty n Phat Ass Booty Walking n Da Room ..We Need I.D !! #gbHSnT0G Thick Busty n Phat Ass Booty Walking n Da Room ..We Need I.D !! #tv6lAg69 Thick Busty n Phat Ass Booty Walking n Da Room ..We Need I.D !! #x962chh6
L
MyType CamGirl #9 Thick n Phat Booty #RNB47tCR 9 1 20,8K MyType CamGirl #9 Thick n Phat Booty #HN5NJXWe MyType CamGirl #9 Thick n Phat Booty #91MPJ270 MyType CamGirl #9 Thick n Phat Booty #kmPs1QVw MyType CamGirl #9 Thick n Phat Booty #iK0T88Gw MyType CamGirl #9 Thick n Phat Booty #xsZoSnex MyType CamGirl #9 Thick n Phat Booty #73nEN1to MyType CamGirl #9 Thick n Phat Booty #qTW5J0O7 MyType CamGirl #9 Thick n Phat Booty #HioxS4wR MyType CamGirl #9 Thick n Phat Booty #qhfdz5GX
L
Thick PAWG Curvy n Scrubs #AYhjRRu0 7 1 27,4K Thick PAWG Curvy n Scrubs #DQ7UUJYl Thick PAWG Curvy n Scrubs #IyEUzbUg Thick PAWG Curvy n Scrubs #zWgdaSKR Thick PAWG Curvy n Scrubs #8rC55GYJ Thick PAWG Curvy n Scrubs #r6muUrcN Thick PAWG Curvy n Scrubs #bTNyirQL Thick PAWG Curvy n Scrubs #E9XYsLEW
L
Thick PAWG Curvy n Scrubs luvmesumcurves1