Yes, chokers are for experienced hands I think. I knew someone who broke the trachea of his young Golden's throat by jerking the poor dog off it's feet and then tried to blame the pet shop and it's employees for selling him a choker! That is the last time I sold a choker to someone who wasn't enrolled in an obedience class or had real experience training dogs. I then and there decided to sell pinch collars to people with powerful stubborn young adult dogs or training harnesses or head collars. And I made sure that I explained how to use them and caution the owners not to leave them on when not training. Some people have NO Sense at all and a choker is really a noose that you put on your dog. Fine if the dog understands the concept of heel, stay ect.. and the owner is experienced.
Hazelanne