Using a thick handled bar is one of the best things you can do to build maximum size and strength virtually incomprehensible to those who only use standard barbells and dumbbells.” Brooks Kubik, multiple world record holder and noted author. Harness the power and science of thick bar training with Fat Gripz and unlock your arms’ dormant size and strength potential. Fat Gripz instantly convert regular barbells and dumbbells into thick bars. Fat Gripz have been featured in Men’s Health, FLEX, Ironman, Muscular Development, Muscle & Fitness and many more. They are used by members of Special Forces, champion bodybuilders (like me :-)), teams in the NFL, MMA fighters, CrossFitters and gym goers around the world.