How well do these knee pads work?

Contributor: davidheper davidheper
Related to: 
so how well does this actually stick to the floor?
05/07/2012
  • Upgrade Your Hands-Free Play!
  • Long-distance pleasure set for couples
  • Save Extra 20% On Love Cushion And Toy Set!
  • Anal Sub Hook&Rope Kit for $28.99 Only
  • Complete strap-on set for extra 15% off
  • 1
  • 2
  • 3
  • 4
  • 5
All promotions
Contributor: Rin (aka Nire) Rin (aka Nire)
I'm guessing the grooves combined with a person's weight would keep them from sliding around. There's a few reviews on them - perhaps one of them will mention if there's something more to it.
05/07/2012