Look, it takes the entire program for handlers to master the
proper use of a leash, how to give commands properly, how to read their own dogs, and so forth.
A strong fence and
vigilant use of a leash are required for these dogs to keep them from getting lost or hit by cars while chasing rabbits, cats, chipmunks, and squirrels in your neighborhood.
Uses proper containment to prevent dogs from running at large, including: sufficient fencing, crate, dog run and / or kennel at home, and
proper use of leash and collar outside of the home.
Most training collars available for cats are meant as a means of control for your cat, without
the use of a leash.
Unfortunately
the use of these leashes has resulted in serious injuries for both dogs and their owners.
You can take advantage of this in the very early days by beginning her heel training with a collar on, but without
the use of a leash.
The use of a leash will benefit you, your neighborhood, and your pet.
Some pet expos, where dogs are allowed to attend, ban
the use of these leashes on the premises.
Given that our world is radically different even from just twenty years ago, I disagree that proper
use of leashes or crates is bad for dogs --- quite the contrary.
Such dogs are subject to certain requirements, such as proper confinement,
the use of a leash and muzzle, posting «Beware of Dog» signs, the use of special orange collars, photographs and tattoos for identification purposes, keeping $ 100,000 liability insurance, and vaccinating the dog against rabies.
This requires a truly firm attitude and
use of the leash.