The maths behind cowboy tricks revealed
7 March 2014 Last updated at 06:38 GMT
Check out these amazing lasso tricks that are performed by cowboys and Mexican charos.
Now a scientist says he can work out how to create the perfect lasso using a maths formula.
In this demonstration, champion roper "Cowboy Craig" Ingram shows off two classic moves.
The video has been slowed down so you don't miss a trick.
Video courtesy of PT Brun.