it still takes conditioning
you still need to walk the dog on the inside perimeter (along side a visual barrier) as if there was a real wall there preventing you from leaving the yard until it becomes a conditioned habit.
this is why an adult elephant who is shackled with an easy to break chain....doesn't even try anymore.....mainly because it tried in Vain to break a much heavier chain as a young elephant so many times with no success that it no longer even tries.
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