This is not the role you want to buy first unless you know how to use it. It's for punctual use and the release of little muscle tensions. You can use it for every muscle. Other than most of the roles you can use this one for hands and feet. too.
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device
choosing a selection results in a full page refresh
press the space key then arrow keys to make a selection
