
{
  "id": "finned",
  "key": "refinement.feet.finned",
  "type": ["feet"],
  "proficiency_cost": 0,
  "material": "aquaculture:algae",
  "material_count": 3,
  "anvil_levels": 5,
  "bonuses": [
    {
      "property": "forge:swim_speed",
      "amount": 0.5,
      "operation": "multiply_total",
      "slots": ["minecraft:feet"]
    }
  ],
  "allowed_steps": [1, 2, 3, 4, 5, 6, 7, 8, 9, 10],
  "color": "blue"
}