Part 1: Pause Front Squat 3-3-3-3
3 second pause. Use light to moderate weight and focus on speed and form. Modify by doing back squats.
You may also use this time to practice double unders.
Double Unders 5/10/15/20/25/30/35/40/45/50
Option 2: 2x single unders
Option 1+: heavier wallball; unbroken double unders