[mdigi]

A diaper-like seat would be a nice addition. With that kind of support user could be waving his legs forwards, backwards and even sideways with little to no problem.

[yaddayadda]

Then all we'll need are astronaut diapers and, oh wait, things get weird when such diapers are involved http://abcnews.go.com/TheLaw/astronaut-love-triangle-attacke...