From left to right draw a sawtooth shape. Make the last one very wide. Then retrace your steps completing the other half of the sawtooth. https://imgur.com/a/K

From left to right draw a sawtooth shape. Make the last one very wide. Then retrace your steps completing the other half of the sawtooth. https://imgur.com/a/Kb8Y8zv https://imgur.com/a/Kb8Y8zv (there are about 4 completed saw tooths above the screen)