Coach Guy Massi from Massi-Machado Strength and Conditioning helps eliminate bobbing while performing ground engagement drills. This reactivity is what we look for in high end athletes.
Products in video:
First Place Minibands
https://www.performbetter.com/First-Place-Mini-Band
Superbands
https://www.performbetter.com/First-Place-Superbands
PB Extreme Soft Toss Medicine Ball
https://www.performbetter.com/PB-Extreme-Soft-Toss-Elite-Medicine-Balls
Tsunami Bar
https://www.performbetter.com/Tsunami-Bar