1) Work on a skilled movement (i.e. Air Squat, Muscle ups, pull ups, snatches, cleans, HSPU, etc.)
2) Hit a Strength session. (i.e. – Deadlifts 5×3)
3) Make up a WOD from earlier in the week that you missed.
Be sure to spend some extra time working on your bodies mobility using the lacrosse ball or foam roller to work the myo-facial release techniques. Check out this video with Kelly Starrett teaches us a thing or two about mobility.