Ever dreamt of having bigger, stronger arms? Fat Gripz can help you achieve this. They work by increasing the diameter of your barbells, dumbbells, cable attachments, pull up bars and exercise machine handles. By simply wrapping them around your apparatus making the diameter thicker, you will cause greater muscle activation in your arms, leading to substantial muscle size and strength. Fat Gripz are used worldwide by bodybuilders, fitness enthusiasts and all kinds of athletes. They really are a game changer in the world of arm strength and gains.