Keep your pants up when you do not want to wear suspenders. Great for Bowling, Baseball, Tennis and Golf.
Invisible Suspenders from Mars will also keep your shirt tucked in. (If you want it tucked). MAKE SURE YOU SELECT YOUR BELT WIDTH or Your Measurement just below your belt for the Support Belt.

If you do not see a Vertical Blue Line on Both Sides: Make Your Screen Size Smaller. (Hold Control Key & Tap Minus Key.)