The Arm Strain Preventing Trainer – A biofeedback device that alarms user if it begins sensing too much strain on their muscles
The Arm Strain Preventing Trainer —[SOURCE]— is a uniquely designed biofeedback gadget capable of alerting the owner specially if the device starts to sense if the user is already putting too much strain on your arm’s muscles. Thanks to the trainer’s easy to use feature where user’s simply wrap the device around its forearm to…