I've long wondered what the heck was going on with there being both the minecraft:allow_off_hand component and the off hand slot in the minecraft:wearable component.
I recently found out the differences. Check it out:
#Comparison of Off Hand Mechanisms
cunning veldt
cunning veldt
Relatedly… here's Take 912 of my add-on documentation format. You might need to zoom in, as I don't have web pages up again yet.
