An elasticity of 10 will still have some flex but it will take alot more force to bounce it like a 1.
I know that TantraChair has said they had difficulty with some companies using their patents, so i'm not sure how legit they are.
Leaving it Out Around the House A sex stool can blend in with other furniture in your house.
They also have a special 'black' and faux version which comes with bdsm restraints attached.
They definitely look like a nice piece of furniture I would love to sit on.
She also has videos which show you how to make a spreader bar from basic hardware store supplies.