The new worldwide training phenomenon which helps add muscle & strength to your upper body (especially your arms) in record time * Fat Gripz instantly convert barbells, dumbbells and chin-up bars into THICK BARS (twice as thick) so that you can train the way many pro athletes do * Used by thousands of athletes and military, including many Special Forces soldiers, NFL players, top MMA fighters, bodybuilders and CrossFitters * Featured by many major publications including Mens Health, Mens Fitness, Muscle&Fitness, Flex, Ironman, and Muscular Development * Made from a rubber-like military-grade high-density compound - they grip barbells, dumbbells, chin-up bars like a clamp and don"t compress