I’m joining treated pine sleepers to hold back woodchips, using galvanised T joiner steel sleeper pegs (MaximMetals). Should the side of the joiner with bolt heads used to attach to the sleepers be facing the ‘visible’ (good or out) side, or should that side be facing the woodchips? Or, doesn’t it matter?! In the picture here, I’ve tentatively placed the joiner fac
ing the woodchips