Aside from the "advice" you will find here regarding methodology you may want to consider first perusing the work of a gentleman who has provided not only a path but a wealth of information.
http://www.claytargettesting.com/index.htmlIf you go to
www.trapshooters.comand search for Neil Winston posts you will find substantially more that has not been yet integrated into his website.
fer instance
http://www.trapshooters.com/threads/brai...-2#post-5825217and
http://www.trapshooters.com/threads/new-...winston.486281/
Last edited by Wonko the Sane; 10/29/17 11:33 AM.