What is ridgeline? It is the tightly stretched rope right above the hammock. The hammock and ridgeline is connected to each other at their ends. From this stand of view, the ridgeline appears the hammock hanging on it. What is the function? It can control the conformability of a hammock. When it is attached to hammock’ ends, it can control how it will hang, how much it will sag, how flat it is, or how comfortable the user is. In brief, it gives consistency to hammock shape. One favorite length of ridgeline is 83 of overall hammock length. It gives optimal comfort for the users.