{
  "criteria": {
    "requirement": {
      "trigger": "minecraft:inventory_changed",
      "conditions": {
        "items": [
          {
            "items": "#minecraft:wooden_tool_materials"
          }
        ]
      }
    }
  },
  "rewards": {
    "recipes": [
      "minecraft:shield",
      "survivalplus:merge_shield",
      "survivalplus:flint_shield",
      "survivalplus:copper_shield",
      "survivalplus:golden_shield",
      "survivalplus:iron_shield",
      "survivalplus:diamond_shield",
      "survivalplus:netherite_shield_smithing"
    ]
  }
}