This is the Gripsner: an app connected hand strengthener with games that makes training more fun. It comes with training modes, including time and counting modes. It has 5 games for you to try. You can use it to browse shorts, take photos, and control the volume.
💪🏾 Trending strength training:
This grip strengthener has 30lbs of resistance. It lasts up to 300 hours on battery.
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