I've see these used to pull on smooth surfaces. In fact I saw these on the side of a trailer in a campground holding stuff temporarily up off the ground.
Good luck,
http://www.harborfreight.com/catalog...q=suction+cups
__________________
Bill B. (Michigan)
2014 Cougar H.C. 321RES
2007 Dodge Megacab 6.7 Cummins
|