A variation of the traditional theme. The climber may fall, but if he does, he lowers to the ground, leaving the rope in place as he rests for the next attempt.
To climb a route in a style where, if you fall off, you return to the ground, leaving all your protection in place and then start climbing again after a rest. The yo-yo refers to the repeated up and down movement of the climber who falls off more than once on a hard move. A common style of ascent in the 1970s and early 1980s, before the preferred style became redpointing. A zawn