Put it in the refrigerator or the freezer if you have room to leave it there all the time. You can put it in the basement if you have one. Remember the rules on moisture thought, since the basement can get damp..

Wacoal minimizing bras,
Mizuno JPX, which come in various styles,
Ping K15, are also touted as being super comfortable while reducing bust size anywhere from 1 to 2 inches. The Wacoal Slimline Seamless Minimizing Bra is one of the top sellers since it eliminates spillage and jiggles. The bras can be on the pricey side,
Callaway RAZR , which is their only downfall.