{
  "id": "kubejs:diamond_pendant",
  "modifiers": [
    {
      "type": "append",
      "attribute": "puffish_attributes:pickaxe_speed",
      "value": 0.3,
      "operation": "MULTIPLY_TOTAL",
      "uuid": "ad7414a1-ae8e-4168-b6d8-198cab18f927"
    }
  ],
  "equipment_slot": "necklace"
}