This may not be a very good idea. By supporting your wrist you will be imobilizing your arm and straining the weaker wrist muscles. Try to avoid the mouse. When you do have to use it, try to maintain your wrist in the neutral position and move your forearm instead, as you'll be using the stronger muscles of your arm and shoulder: http://content.revolutionhealth.com/contentimages/h9991464_0...