7 rounds of triplet: 10 weighted lower back extensions, 10 T2B, 15 med ball squat cleans (20 lb ball) Workout

Perform 7 rounds of this triplet: (try to stay close to 1 round every 3 minutes)
10 lower back extensions with 25 lb plate on back
10 Toes To Bar
15 Med Ball Squat Cleans (20 lb ball)