Caterpillar Crawl

(Group size: 6+)  http://www.gamesfitness.com/2015/01/caterpillar-crawl/ 2 people stand back to back in half squat. Other do the same next to them to form a tunnel.  The 2 people at the back then crawl through the tunnel to the front and resume the back to back half squat and yell “go” for those at the back to do the same… 🚇