|Butterfly Pull-up Progressions| . The purpose of butterfly pull-ups is to create a faster cycle for speed and intensity. It should never be a replacement for kipping pull-ups. Strict pull-ups and Kipping pull-ups are a prerequisite for butterfly pull-ups. . Once the strength and volume has been established, the biggest challenge for the butterfly pull-up is coordination. . Here is a series of progressions that we use for @thegymnasticscourse to develop this skill: 1. Box Drill with 2 Feet: Lear