Here is a clever tool that lets you add up to 100lbs of weight to your dumbbells. Mass Caps lets you use your existing plates to build monster dumbbells for Kroc rows. You will need 4 of these for a pair of dumbbells. The below videos show what you can do with them:
More gadgets like this: here
Finally - add up to 100+ lbs to dumbbells using your own weight plates with MASS CAPS!
Product Demo: Create ANY Size Dumbbells, Add 100 lbs to Dumbbells with Mass Caps!
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