Alec Swan
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These gadgets are largely unnecessary. .......
As are all gadgets, in my opinion. I only occasionally use a lead, and that's generally on busy public roads. I have a deep and abiding loathing of Spiked collars, Electric shock inducing collars, Haltis, and those hideous rat on a rope extending things. I also hate muzzles, but along with the other items about which I've been so disparaging, there may just be justification for corrective work. The danger comes when we rely upon "Aids", for our everyday work.
I suspect, though I'm not certain, that D_R will agree with me now, when I say that training aids don't train dogs. Dogs are trained by the instillation and maintenance of a bond, between the dog and its owner. No training aids ever made will train a dog for you.
Just about every "I don't know what to do" thread, on here, can be squarely laid at the door of the person who hasn't formed a Master/Owner/Whatever bond with their dog.
The obedient and compliant dog, is the happier animal than the dog which rules its human servant.
Alec.