Your body is talking, are you listening? Introducing the Ergo ChecKit. At last, a solution to help reduce your risk of WRMSD! “Listen” to your body through the vibrations of an sEMG biofeedback tool. Once you identify the source of the vibrations, check the Ergo Wheel™, an easy-to-use pocket reference guide, for recommended posture corrections. Available for wrist & hand, neck & shoulder, or a combo kit. Please Note: This item in non-returnable.