We know that tying a secure knot is an important survival skill. Learn how to tie a traditional square knot, a.k.
The Reef Knot is used for tying up the reefs of a sail. Tie it using 2 ropes or the ends of 1 rope. In this HOW TO TIE KNOTS, learn how to tie a Reef Knot
How To Tie A Knot For Fishing, Sailing - Business Insider