Headmaster CollarHeadmaster Collar Supportive, low profile collar for head control and posture management Constructed from surgical grade rubber tubing with a malleable core, the Headmaster Collar is pre assembled and ready to use. Simply shape it by hand to achieve a snug fit under the chin, and secure it in place with the comfortable Velcro strap. The collar is lined with soft brushed nylon, allowing full adjustability and a soft finish against the skin. Delivery