Fools gude to training,the vast majority of dogs don,t need the shock treatment to train them,the vast majority of dog owners that use them do,best way to ruin a dogs education is to put a shock collar on it,the small minority of dogs that will benefit from such collars are seldom encountered by the people that use them.made a mistake there Morton they should never be used for training only correction by beddy x hunted up would he f**k come back tried everything used the collar on him right back to me