So you are looking for a tool to help you build strength in your shoulder, forearm, and wrist areas? The Pronator can help. You can hold it in your hand and get stronger as you do. Whether you are looking to improve your fastball, tennis serve, or passing range, such a tool can help. It has an ergonomic handle and lets you use coated dumbbells that you already have.
The Pronator can hold up to a 30 pound dumbbell. It has a non-slip surface for your grip and the dumbbell. This tool could work for folks who are bouncing back from an upper-body injury. You can get yours for under $65.