It means going backwards, going backwards. reverse. It can also mean carding, separating the strands.
It is synonymous with shredding or separating, in: let's weasse the wool, let's weasse the thread, let's weasse the flesh of the bones. It is a term widely used by the people of the countryside, it is special in the Andean tip.
TISAR: Carding, open wool or anything else.
TISAR: Give back the truck or roll back something.