When I first saw the Xtensor, I thought it was some kind of gaming interface, like a Wii accessory on steroids, or a high-tech concept that would enable remote surgery or the playing of virtual musical instruments. No. It's an exercise gadget for your fingers! The Xtensor Gamer Hand Exerciser flexes and trains muscles and tendons in your hands to keep them in tip-top shape for gaming. Elastic bands extend to each finger and thumb to oppose the normal gripping stress that we do too much of. From the product page at Think Geek:
Repetitive gripping and squeezing of your game-controller or mouse forces extended isometric contractions of the flexor muscles of the hands and fingers producing an unnatural imbalance over time as the hands operate in a mostly closed position. For this reason, patients with hand, wrist and elbow disorders experience unnecessarily long healing times and high reoccurrence rates. Everybody got that?

Flexing with the Xtensor between gaming sessions will make your reaction-times much quicker, and will mean no cramping hands after all-night fragging sessions.

I'm no gamer; I had to go look up "fragging". It means virtual killing in video games in which that is the goal. It's a term that could easily be misconstrued, especially when an all-night session could over-stress your hand.

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