The Zero Tension Mouse is a vertical mouse that aims to reduce or eliminate the risk of suffering from Repetitive Stress Injury in your later life by allowing the entire hand to rest fully on the unit itself in a natural position. When your hand is wrapped around the mouse handle, you will find your fingers meeting both the left- and right-click buttons naturally. This USB-only device is compatible with both Windows
and Mac platforms, and $79.95 will be able to net you one. It comes in three sizes just like the meals at your regular fast-food joint - small, medium, and large. The small model is suitable for palm width that are 3" or less, the medium model fits a palm width of 3" to 3.5", while the large version works great with palms that are wider than 3.5". Unfortunately, it doesn't cater for left-handed people so that much-maligned group will have to look elsewhere to solve their RSI woes. Be prepared to answer a lot of questions if you ever purchase one as this device looks much more at home in a science fiction movie than at an office desk.Pros : Reduces risk of RSI
Cons : Could take some getting used to, not for left-handed people
Zero Tension Mouse Source
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