Here is a smart hand grip strengthener that doubles as a controller for your content. The Gripsner comes with 5 games for you to try. You can also use it to control your shorts or take a photo with your phone. This gadget has up to 30lbs of resistance. The companion app gives you access to 3 training modes. You can access it on your iPhone or Android device.
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The device lasts up to 300 hours on battery. You can find this project on Kickstarter.
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