LINE2design Spineboard 11 Point Immobilization Straps Strap System Reflective Spineboard 11 point immobilization straps strap system. This strapping system provides superior patient security and immobilization. Unit features a convenient strapping loop to keep the strap compact. Constructed of fluid impervious poly webbing that can be easily cleaned with bleach/water solution. The 11th point also allows straps to be cleared of patient while remaining attached to your spine board.