Description A THIEF CANNOT CUT THE KANULOCK STRAPS WITH A BLADE OR KNIFE AS IS THE CASE WITH REGULAR TIE-DOWNS. With regular tiedowns anyone can walk up to your car and remove your board or kayak without attracting any attention. Regular tiedowns can simply be cut with a blade or knife. The Kanulock Lockable Tiedowns are reinforced with 2 x 2.5MM Braided Stainless Steel cables making them very difficult to cut. A would-be thief cannot simply cut through the webbing with a blade or knife as is the case with regular tiedowns. 1.Tension Strap 2.Lift Clasp Firmly lift clasp, while releasing hand from strap. 3.Turn Key Firmly lift clasp until key turns easily. 4.Tie Off End Tie off and secure loose end of strap to roofrack.