Arm Strap

What is the best use of this strap?

The arm strap secures the Guardian Angel to be attached to your arm, wrist or leg by using a built-in neodymium rare earth magnet. It’s made with soft, strong and stretchable neoprene material and can be adjustable to fit any body type. This is perfect for any activity that needs to be hands free such as early/late night running or walking your dog.