Pullum Pro-Adjustable Single Leg Squat (Bulgarian Squat) RollerAn adjustable Single Leg Squat Roller This free standing unit is perfect for those wanting to perform a single leg or Bulgarian Split squat The Bulgarian split squat is one of the best exercises you can do for developing your quads, hip flexors, and posterior chain (hamstrings, glutes, and back). Because the Bulgarian split squat is a single leg exercise, it can help prevent and correct muscle imbalances. Hand made in the UK from high quality box