After a lot of designing, fabricating, and polishing, we came up with a way to make a very rigid metal box tie! MetalBondage.com proudly presents: the Rigid Box Tie Device! This modular device connects the neck to the waist with an adjustable heavy steel plate (for girls of different heights), and has a heavy steel adjustable waist belt. In between, there's a solid heavy box with two small wrist cuffs inside, which will keep the arms in a perfect position. This device is inescapable, as our test model Yu found out. Even with the keys, she couldn't do anything at all. Naked and angry, Yu loo... Show more