hey, realize im a bit late with this reply, but for anyone still looking for those perfect lockable pants, take a look here.... http://www.guwi.de/cgi-bin/eshop/fronten/s...sort=0&all=
if thats not your thing take a look at this site, has loads of products and ideas. http://institute.homeip.net/LockingClothing.htm
hope they're of some use to you