LOL Nawwwwwwwwwww I am just familiar with PSI due to a history of trying to check inside the lower lip of some actresses that had theirs inflated, and it seemed to be the same principle in play with trying to hold back those melons.
Well, having worn one (in the name of looking *fabulous*), I can say that just breathing becomes an engineering problem.
Where were you in the business - LA or NY?