The Neck warmer covers both Atlas and axis vertebrae. It goes further back than other products and use the Back on Track impact optimally on cervical vertebrae. It can be used in the stable below the halter, and below the bridle. Many horses have problems with tense necks and the neck warmer is very popular in countries like Germany and among trotting trainers.
There are Velcro fasteners on both sides for maximum adjustment. There is also a band to attach it to the halter or bridle.