Can I use the sleeve on another part of my body other than my arm? mSupport Agent March 10, 2016 16:40 Updated Follow Do not use the sleeve around body parts other than your arm. The motusTHROW sleeve is designed to fit on your arm only. Related articles Can I use the motusBASEBALL device for diagnostics or treatment of any health problem or disease? Contact Us Where can I find the motusTHROW™ App on the App Store? Is the motusBASEBALL device intended for medical use? Does motusTHROW™ work with fast-pitch softball? Comments 0 comments Please sign in to leave a comment.