1.21.1 Neoforge

The following sword and armour need these item tags added:

Rubber Helmet, Quantum Helmet: minecraft:head_armor
Quantum Chestplate: minecraft:chest_armor
Quantum Leggings: minecraft:leg_armor
Rubber Boots, Quantum Boots: minecraft:foot_armor
Quantum Sword: minecraft:swords, c:tools/melee_weapon