Wow, I'm flattered! Devient just pm'd me this link on farcebook! Thank you sign 
I could try but I'd be worried that I'm not set up with my domestic machine to make something that bear that much weight. You need specialist equipment to sew high-tensile materials, and I wouldn't be confident that anything I made was safe.
I'm also a little bit
about the picture that came up on google of a small child tied to a bed!
You might be better off with something like this?