A different kind of iPad case, kneePads

[PracticalMac]

Made for pilots, might be good for your needs:

http://www.aircraftspruce.com/menus/ps/kneeboards_ipad.html

http://sportys.com/PilotShop/category/1100

Other examples

 

[3goldens]

interesting! Great find!

 

[PracticalMac]

A lot more knee pads made since this post a year ago, and iP3 support too.