method of securing cargo to a deck with includes providing a beam of rectangular structural tubing or other shape having multiple d - rings or other lashing apertures along its length . the cargo is then lashed to the deck of a roll - on roll - off ship through the beam , with indexed aperture connections at each end which removabley connects the beam to the ship &# 39 ; s deck using a pair of twist locks . with the application of the method , cargo lashing schemes with tighter packing of cargo and faster , more accurate placement , and safer stevedoring operations are effected according to shoreside prestowage plans . top and bottom mounting points for twist locks allow easy storage , transport , and shoring .