A FREIGHT-RESTRAINING BAR AND HEAD WHEREIN A SINGLE RAIL-ENGAGING MEMBER IS USED TO CONNECT THE HEAD WITH TWO DIFFERENT, ALTERNATIVELY USED, SECURING MEANS IN THE FREIGHT CHAMBER. THE RAIL-ENGAGING MEMBER IS PIVOTED TO ROTATE BETWEEN THE TWO POSITIONS IT MUST TAKE TO PENETRATE THE TWO DIFFERENTIALLY ORIENTED SECURING MEANS. LOCKING PROVISIONS ARE PROVIDED TO PREVENT ACCIDENTAL DISLODGING OF THE HEADS, ONCE ENGAGED.

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