This video demonstrates how to tie a karate belt in a proper manner. Take the belt and fold it in half. Place the fold in the middle part of your abdomen where you need the knot. Cross the ends of the belt behind your back. The end in your right hand should be on the top and tuck in the end in the left hand underneath till the front. Take the end on the top and tuck beneath the belt, bottom to top on the other side. Pull the ends tightly, the two ends should be of almost equal length. Cross the ends such that the top end is on the top and tuck beneath the loop formed and pull tightly. You have tied your karate belt perfectly.