Features Consisting of a base plate, two head pads and two head straps. VELCRO® secures the head pads onto the base. Head straps provide maximum lateral support. Waterproof finish to prevent the absorption of body fluids. X-rays may be taken with the Immobiliser in place Benefits X-rays may be taken with the Immobiliser in place. Holes in each head pad allow monitoring of blood and fluid loss.