I can’t feel vibrations on the thumb when I turn on. Sabrina Kemeny Updated February 17, 2018 21:33 Follow Download and open the TapManager App. Make sure that the Vibration Setting is ON. Related articles My Tap Strap won’t turn on. My Tap won't Pair with My Bluetooth Device I am trying to pair but my device doesn’t see my Tap Strap Mouse is not working. What is "Switch" Mode Comments 0 comments Please sign in to leave a comment.