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.
More gadgets like this ➡️ : here
This grip strengthener has 30lbs of resistance. It lasts up to 300 hours on battery.
*some of our articles have aff links. Please read our disclaimer on how we fund Exxponent.
