Here is a smart gadget that attaches to your Olympic bar and gives you instant feedback on your Olympic lifts. It shows you power, force, speed, and bar distance. You can pair the device to your iOS device via Bluetooth. Bar Sensei weighs only one ounce and is so compact that it won’t get in your way.
More gadgets like this: here
The above video shows what you can do with a Bar Sensei.
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