Companion weapon

The term companion weapon is used in historical European martial arts to refer to an item used in conjunction with the larger weapon in the non-sword hand while fencing with a rapier or sword.

The popular companion weapon forms include: In most cases the off-hand weapon is used to deflect or parry.

Twin swords, made to fit in one scabbard. One of the swords is used offensively, and that other as main gauche .