i have a 6 year old paint Quarter horse/thougobred and he used to attack me,wouldn't obey,no respect,couldn't lunge him,without him attackin' me,ect.and i turned to Clinton anderson's tecnique's in one of his books,and after that,he now has respect 'n all.love it!YES,HE EVEN LUNGE'S WITH RESPECT,TOO,WITHOUT HIM TRYING TO KILL ME!!!!!!!!!!i would totally recondmend clinton anderson's tecniques/books.