 The corners are reinforced with straps of metal riveted to the locker, and had thick wooden handles on both sides for lifting by hand.After World War II, collapsible metal handles would replace the protruding wooden grips, so that each footlocker occupied less space and could be packed tighter for transportation.Each footlocker came with an internal (or thinner) plywood tray which could store some of the smaller items used by a soldier, and the larger items were kept below the tray.