With massage guns with a heat attachment, you warm your muscles for extra relaxation. Because you warm your muscles, you improve your muscle recovery. With some heat attachments, you can even set the desired temperature yourself. Some attachments can also cool your muscles in addition to warming them. The cold setting is useful when you have swelling, injuries, or inflammation. In addition to the heat attachment, these handheld massagers also include other attachments. With these, you can massage various body parts.