Double Half Hitch Knot
1. You should have one cord which will go through the centre of your Double Half Hitch Knots.
2. Take the first cord that you’re going to wrap around and put it under the centre cord, up and over the centre cord and back down behind the centre cord.
3. Pull your cord tight.
4. Bring the cord up around the front of the centre cord again and back down behind it, pulling it in front of the loop you created.
5. Pull tight again.
Loose it would look like this:
Tight it should look like this: