The stick mans first idea was to find Ephi, and use his LARGE, all knowledgeable head to fill the gap. Sadly this stick man was unsuccessful. So he switches to his 2nd less head usage idea. So indeed he did. twined some thick strands of grass together, giving him something familiar to the modern day "rope". Next he ties it around his body using it as a harness. He throws the other end of the rope to that metal pole on the other side of the cliff. Now he can jump down the cliff and swing into the shear side of the cliff, mabey gaining a few bone fracters. Now he is dangling from a rope on the other side of the cliff. Next this stick man takes advantage over his non broken bones to climb the rope and get to the other side of the cliff.
Peace of cake!