Gripsner App Smart Hand Grip Strengthener & Mobile Controller
This is the Gripsner: an iPhone compatible hand grip strengthener that doubles as a controller for games and YouTube shorts. It has up to 30lbs of resistance to work your[…]
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February 19, 2025
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This is the Gripsner: an iPhone compatible hand grip strengthener that doubles as a controller for games and YouTube shorts. It has up to 30lbs of resistance to work your[…]