my Oldman would use his fingers,before the ban I would measure with finger and bite them off,never had a pup make a sound and saves the bitch getting stressed imo,every vet I've seen has butchered pups tails,last time i took my ferrets they putting on welders gloves to jab my ferret jills make me laugh,I took the needle off her last time and jabbed all 5 myself,most don't know shit from toothpaste imo,my dogs go for first injections and they don't go again unless they really have too.normally the wife behind my back lol.atb dc