If this scene looks familiar, you might be a gamer. And as a gamer, you need to exercise your most useful tools--your hands. Aside from twice-hourly masturbation, you might want to try this: 

According to Think Geek, "The Xtensor is the only product on the market to perform with true biomechanical correctness, able to stimulate muscles and tendons in the hands, wrists and elbows that have been virtually off limits to all other devices."

Also, it looks badass.

[$39.99, Think Geek] 

Related: Gamer Grub