Though they're commonly used today as a way to balance energies, electrically charged ionic molecules were originally used as food for lightning. Feed inner forces with today's Groupon: for $18, you get one ion-infused wristband from Power Force Apparel (up to a $37.99 value, including shipping).

Power Force bands wrap wrists in ion-infused technology that can help balance energy, bringing the body to physical equilibrium. Aside from touting the original, extreme, and Armed Forces bands, Power Force also suits up avid sports fans in officially licensed NCAA arm accessories. Bands from many of the top Division I conferences, including the Big 12, Big Ten, and the ACC, let wearers prove team loyalty more easily than tattooing a favorite coach's face over their own.