Custom Heads

{
    "format_version": "1.26.10",
    "minecraft:item": {
        "description": {
            "identifier": "wiki:custom_head", // Must be the same identifier as the block
            "menu_category": {
                "category": "items",
                "group": "minecraft:itemGroup.name.skull"
            }
        },
        "components": {
            "minecraft:block_placer": {
                "block": "wiki:custom_head", // Must be the same identifier as the block
                "replace_block_item": true
            },
            // Use the same localization key as the block
            "minecraft:display_name": {
                "value": "tile.wiki:custom_head.name"
            },
            // Allows the head to be enchanted with "Curse of Binding" and "Curse of Vanishing"
            "minecraft:enchantable": {
                "slot": "cosmetic_head",
                "value": 0
            },
            "minecraft:max_stack_size": 1, // Currently, custom wearable items cannot be stackable
            "minecraft:rarity": "uncommon",
            // Allows the item to be equipped into the head slot
            "minecraft:wearable": {
                "hides_player_location": true, // Hides the player from the locator bar and maps like vanilla heads
                "slot": "slot.armor.head"
            }
        }
    }
}