This Pinch Collar will get through to even the most stubborn dog. A little work with this collar should do the trick. It is chrome-plated and won't tarnish or rust.

This Pinch Collar is 20". You can adjust the length by adding or removing links to fit dog's neck. Each link adds 1" to collar length. Length is the inside measurement of the collar. Allow 1" to 2" over exact neck size.