Summon your wind-up weapon minion. Somewhat buggy.
Scaled-down replicas of armored weapons have long been mass-produced by the Garlean Imperial Army in an effort to train new recruits in the proper methods of magitek deployment and repair.
How to obtain:
Dungeon -- The Ghimlyt Dark
Bozja -- Southern Front Lockbox / Zadnor Lockbox
Deep Dungeon -- Eureka Orthos - Bronze/Silver Sack
Occult Crescent -- South Horn - Bronze/Silver Coffer