In order to climb safely, it is crucial to know how to tie specific knots. Depending on the situation, the basic ones are sufficient, but sometimes you need a few more. For sport climbing in crags, one or two knots are enough, whereas if you go alpine climbing, you need more. The perfect handling of the knots is an absolute prerequisite for climbing, as you should be able to tie the knots with ease during emergencies, when tired, under time pressure, or in the dark. Frequent practice is the name of the game. In the following, we present you with 11 of the most common and useful knots.