After the first 30 minutes is up, remove the towel. With rough dough in the bowl and in front of you, grab the north side of the dough. Stretch the dough up and bring it across to the top of the dough. Then, grab the east side of the dough stretching it up and folding it over to the opposite side. Grab the south side of the dough and stretch it up folding it over to the opposite end. Finally, grab the east side of the dough and stretch and fold it over to the opposite end. Cover the bowl with a damp towel or plastic wrap and allow it to rest for 30 more minutes.