Overhead squat 1-1-1-1-1 reps
Front squat 1-1-1-1-1 reps
Back squat 1-1-1-1-1 reps
Try to increase the load on each rep.
Scaling:
Athletes with less experience should perform additional reps per set at submaximal loads to allow more practice. Experienced athletes can perform this heavy day as written, aiming to increase loading for each rep.