How to tie a western cynch or halfbreed girth
The following is a great video on how to ties a western Cynch from 5 minute horse lessons.
It provides a simple and clear overview of how to tie off a texan T knot
Think of it like tying a maens tie, and its not so hard
Most people do prefer to use a latago (the strap that rund from the saddle) with holes in it and a buckle girth. Tying off is the traditional way and has worked well for many years, when done right.
(Here is the link as well http://youtu.be/9_CUDFsRykw )