Originally Posted by GrizzlyAdams
I don't see in the picture whether the two ends coming off of the prussik knot join in a loop or not.
The two ends are passed through the channel in the hammock and then tied with a bowline. A very simple and effective setup. The rope is doubled up like this to better distribute the stresses on the hammock channel so there is no tearing.
This is definitely a prussik on the buckle.