Granny knot its possible use tying the necks of grain sacks. When attempting to tie a reef knot (square knot), it is easy to produce a granny knot accidentally. This is dangerous because the granny knot can slip when heavily loaded. A tightened granny knot can also jam and is often more difficult to untie than the reef knot. It is better to tie a reef knot in nearly all circumstances. One way to distinguish them is that in the reef knot each loop passes completely over, or completely under (not through) the neck of the other. The reef knot is commonly
Human knot arms. The challenge is to solve the game several times starting each time with an increasing number of crossed people. The game is recommended for children from 12 years and up, and is best suited to a group of ten or so players. No materials are required. The purpose of the human knot puzzle is to gain team building skills, problem solving skills, and communication skills among a group of people and onto the individuals participating. The options that can be included to make the activity more difficult are the following: Human knot A human knot is a common icebreaker