LINE2design Medical Spineboard 10 Point Strap System Economy Blue Medical spineboard 10 point strap system. Allows for fast and firm, total body immobilization. This spider strap system features two &#034;suspender&#034; type over-the-shoulder straps. 4 adjustable torso/limb straps with adjustable center strap. Royal Blue polypropylene webbing with Velcro closures.