Definition: Given an Amazon customer review, write a title for the review. The preferred titles are under fifteen words.
Input: I use this myself and recommend it for all of my patients who have any degree of carpal tunnel symptoms. A regular mouse can cause carpal tunnel. This thumb trackball prevents it and can diminish symptoms if you have carpal tunnel pain. (A center trackball won't do it--it takes a thumb trackball like this to get the benefits.) Once you get used to it you will never want to use a regular mouse again.
Output:
Save your wrist