Note 225 — LEYENDAS DEL PAÍS DE LA SELVA C. O. Bunge (Según Ricardo Rojas)
Reading edition
The brother has taken a position on some branch of the tree beneath la horqueta más alta, so that he could pull on his lasso in the manner of a pulley. From this point, when his sister had reached the horqueta más alta, he could pretend he was going up, although in reality he was going down.