The basic harmonica gun design can be made into a smaller package. These types of weapons were out-competed by revolvers due to the latter's superior design, but some collectionists are still adamant that the harmonica gun system is superior for... some reason.
Abilities
Common Attributes - Mechanical
One-Handed
One-handed weapons enjoy certain advantages; namely, that they can be used while doing something else, or wielding another weapon.
EFFECT:
Two one-handed weapons can be equipped at the same time and used without having to Change Weapon (1 AP).