{
  "pools": [
    {
      "rolls": 1,
      "entries": [
        {
          "type": "minecraft:item",
          "name": "minecraft:leather_helmet",
          "conditions": [
            {
              "condition": "minecraft:entity_properties",
              "entity": "this",
              "predicate": {
                "equipment": {
                  "head": {
                    "items": [
                      "minecraft:leather_helmet"
                    ]
                  }
                }
              }
            }
          ]
        },
        {
          "type": "minecraft:item",
          "name": "minecraft:golden_helmet",
          "conditions": [
            {
              "condition": "minecraft:entity_properties",
              "entity": "this",
              "predicate": {
                "equipment": {
                  "head": {
                    "items": [
                      "minecraft:golden_helmet"
                    ]
                  }
                }
              }
            }
          ]
        },
        {
          "type": "minecraft:item",
          "name": "minecraft:chainmail_helmet",
          "conditions": [
            {
              "condition": "minecraft:entity_properties",
              "entity": "this",
              "predicate": {
                "equipment": {
                  "head": {
                    "items": [
                      "minecraft:chainmail_helmet"
                    ]
                  }
                }
              }
            }
          ]
        },
        {
          "type": "minecraft:item",
          "name": "minecraft:iron_helmet",
          "conditions": [
            {
              "condition": "minecraft:entity_properties",
              "entity": "this",
              "predicate": {
                "equipment": {
                  "head": {
                    "items": [
                      "minecraft:iron_helmet"
                    ]
                  }
                }
              }
            }
          ]
        },
        {
          "type": "minecraft:item",
          "name": "minecraft:diamond_helmet",
          "conditions": [
            {
              "condition": "minecraft:entity_properties",
              "entity": "this",
              "predicate": {
                "equipment": {
                  "head": {
                    "items": [
                      "minecraft:diamond_helmet"
                    ]
                  }
                }
              }
            }
          ]
        }
      ],
      "functions": [
        {
          "function": "minecraft:set_damage",
          "damage": {
            "min": 0.16,
            "max": 0.41
          }
        }
      ]
    }
  ]
}