Obedience Training Collars.
Teach the most headstrong dog to obey. Prongs are slightly rounded to prevent injury to the dog. Called a pinch or spike collar. Prongs tighten under pressure and release instantly by you for getting the attention and obedience of more obstinate dogs. Sizes can be customized by adding additional links which are sold separately. 2.25 mm, lightweight, 8 links x 1" each. | 
