100mm Leather Straps were used on the Series 1 seat backs to stop the backs from tilting forward once stowed. The straps attached to the bulk head and commonly used until 1985 on most Series 2 & 3 Land Rover seat backs.
NOTE: 140mm Leather Straps (EXT3812) were used for retaining the seat bases on the 86" Series 1 and commonly used until 1985 on most Series 2 & 3 Land Rover seat bases.