How to tie your belt

Like everything else in Japanese budo tradition there are also prescribed time honoured ways to tie your belt (obi - 段).

One method suitable for Aikido is the method popular with judoka that does not easily become undone AND also that allows for a flatter knot formation in the front with no crossover at the back making it more comfortable for ukemi (break-falls) and ground work.

here is a good reference video of the method