ALLSOP Ergo Heat Therapy Gel Wrist Rest Any good advice giver will tell you: alternate heat and cold. For swelling: 20 minutes of heat, 20 minutes of cold. For muscle aches: heat, then cold. For sore wrists from typing or mousing: a little bit of heat and a little bit of cold. There are some reasons for this commonality in good advice giver advice. You want to keep the blood flowing, and a little heat is the best way to do that. But part of the cause of repetitive stress disorders, is… well… repetitive actions and circumstances. And a little cooling reduces swelling and eases aches. However you feel about it, the Heat Therapy Wrist Rest lets you choose to follow advice or come up with your own. The Wrist Rest temperature insert pad can either go in the microwave for a few minutes, or the freezer for a half hour, to give you a little heat or cold therapy in the wrist area. And we include two insert pads with the set-up so you can keep one in the freezer while you’