Lesson 1 : what type of winch cable do I use?

There is both steel cable and synthetic cable. To choose the thickness (and strength) of the cable, consult the winch manual.

Lesson 2 : Attaching a pulley

Securely fastening a pulley to a tree with an round sling.

The way of attaching the rope, double looped or slotted, has an important influence on the pulling force.