`first_person_model.OFF_HAND` doesn't appear to work, and when you setEnable the main hand, it affects both hands

[Billevity]

If you write up a quick script to disable the first person offhand model, you'll find that it doesn't actually disable the model (despite showing as disabled when getEnabled is used).

Additionally, if you decide to do first_person_model.MAIN_HAND.setEnabled(false), this will disable both the main and offhand models.