Gear #16 - Torso
Plaza of Zeal - under the sign of the gunsmith's workshop.
Gear #17 - Random
Plaza of Zeal - near the Handyman's corpse. You can obtain this item after you've defeated the Handyman in a duel.
Gear #18 - Feet
The Good Time Club - inside a study with a fireplace, opposite the stage on the first floor.
Gear #19 - Head
The Good Time Club - cell number 8 located in a prison behind the stage.