(2013) ZigFit
ZIGFIT is a quick to latch attachment that goes on any olympic standard barbell to convert the grip of the bar into a more ergonomic one that won't harm your joints and nerves.Even more;it allows to use the barbells to do hammer curls which is another very important exercise for the biceps. With its adjustable width design it can fit literally everyone and even enable Wide curls as a third exercise option too.