In Canyoning is essential to master a number of rope knots. The first and most easier but extremely important knot is figure eight. It is actually a type of stopper knot, as it prevents ropes from running out of carabiners and other retaining devices.
Many useful videos are to be found in YouTube. If you want to learn it thoroughly you can follow the links below and even more videos available. After watching… practice, practice, practice: