Spring Load:

- 0 white springs (challenging)

- 1 black spring (standard)

- 2 white springs (modification)

Boomerang Setup:

- Place your hands on top of the black handlebars with your thumbs on top and four fingers underneath

- Position the middle of each foot on the front edge of the carriage with your legs and feet together

- Hold your body weight up with a slight bend in your elbows and allow the carriage to move outwards to the length of your legs

Boomerang Execution:

- Exhale through your lips as you begin to pull and lift your hips backwards

- Then, breathe in through your nose as you lower your hips back to the starting position

Anatomy of the Xformer: (link)