Take 15-20 minutes to work up to a heavy, but not necessarily 1-RM Snatch.
Every minute, on the minute, for 20 minutes, preform:
Score the total amount (in lbs) successfully snatched during the workout. You choose the weight you'd like to use. If you do not complete a set within the assigned 60 seconds, go ahead and finish the set and then sit out the remainder of the set that you overlapped.