With a continuously running clock complete 5 thrusters every minute.
From 0:00-5:00 use 75 lb.
From 5:00-10:00 use 95 lb.
From 10:00-15:00 use 115 lb.
Continue adding 20 lb. every 5 minutes for as long as you are able.
Ladies, begin at 55 lb., and go up by 10#.
Scale as Needed, but increase weight by a minimum of 10# for Men and 5# for women each set.
You can watch the demo video by visiting this page: http://www.crossfit.com/mt-archive2/009377.html