Go all the way around the drum. Make sure to take out the slack. Tie off the end of the rope once you have gone all the way around the drum. Be sure to do the same number of turns, about 2 full twists. Take your hand and push hard in the middle of the skin.
Some people even stand on top of the skin to stretch it.
Repeat step 5. Twisting the bachi maybe 1-2 full twists. Wait about 10 minutes. Repeat step 5. Don't try to tighten too much.