Doing the same old bicep exercises time and time again in the gym can lead to your biceps hitting a plateau. Try this effective bicep exercise called “drag curls”. A drag curl is a variation of a curl that is great for adding size and shape to your biceps. This can be performed with an EZ bar or barbell, as well as with an overhand or underhand grip. Start with lower weight and learn the motion and how to feel it properly before trying to go heavy.