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Off-hand weapons

Rapiers are single-handed weapons and they were often employed with off-hand bucklers, daggers, cloaks and even second swords to assist with defense. A buckler is a small round shield that was used with other blades as well, such as the arming sword. In Capo Ferro 's Gran Simulacro, the treatise depicts how to use the weapon with the rotella, which is a significantly bigger shield compared with the buckler. Nevertheless, using rapier with its parrying dagger is the most common practice, and it has been arguably considered as the most suited and effective accompanying weapon for the rapier.

Even though the slender blade of rapier enables the user to launch quick attack at a fairly long and advantaged distance between the user and the opponent and the protective hilt can deflect the opponent's blade when he or she uses rapier as well, the thrust-oriented weapon is weakened by its bated cutting power and relatively low maneuverability at a closer distance, where the opponent has safely passed the reach of the rapier's deadly point. Because of such insufficient cutting power and maneuverability at this situation when the opponent passes the deadly point, this scenario leaves opening for the opponent to attack the user.

Therefore, some close-range protection for the user needs to be ensured if the user intends to use the rapier in an optimal way, especially when the opponent uses some slash-oriented sword like a sabre or a broadsword. A parrying dagger not only enables the users to defend in this scenario in which the rapier is not very good at protecting the user, but also enables them to attack in such close distance.