1. Warm up

2. Strength training: box squat
10 x 2 on the minute every minute

3. Complete as many rounds as possible in 15 minutes of:
Chest to bar pull-ups, 15 reps
Ring L-sit hold, 30 s

4. Recovery: mobilty

Part 3 of this workout was posted on the CrossFit mainsite on Wed 25 May 2011. Have a look at the comments, videos and scores here and here.