ThinSkin writes "Given its shape and ability to cup your hand, the Zero Tension Mouse can be moved around without bending the wrist or moving the fingers, while also keeping the hand in a vertical position and the arm in a more ergonomic neutral position. ExtremeTech reviews the Zero Tension Mouse and, although acknowledging it as 'funny looking,' concludes that it amounts to a whole lot of worth for those who need it, or those who want to take preventative measures against RSI and related ailments."
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