Having another dog present on couples can't hurt,don't think he ment doubling up it that's what you getting at?I agree with that post of Bryans,foxdropper how many goes would you give a dog to enter your way before you thought it was no good?genuine question?you must have exceptional dogs or maybe a lot of wastage? Curious to know not knocking everyones different, I personally tie them up and let them listen to a sensible terrier at work and then when i think they ready .i then like a young dog to mark ,go in and Find off its own back,and hopefully stay till dug.in 20 yrs I've had a few that n