A Toy in the Attic

I knew that I wanted to be bound and gagged in the attic, a.k.a. “po’ boy’s sauna.” It’s hot and dry up there, and no one can see me. What tools (toys) would I use? How would I release myself? In what position could I restrain myself which I had not been able to use in the bedroom? Would suspension or semi-suspension be possible? Would I remember to drink enough liquid beforehand so that I wouldn’t pass out from dehydration? ...