Jug Sling Hitch
Slippery round hitch
Two Half Hitches
Simple Simon Over
Simple Simon Under
About Jan Korpegård
Use it in your zipper, and it is easier to close your jacket when wearing gloves for example.
Follow step 1 to 4. Image number 5 shows that you should take both ends of the rope, put it under the knot and then up throw the hole in the middle of the knot.
Then you tighten the knot, sometimes you might want to adjust the knot afterwards so you get equally long ends.