A unique identifier here:
    name: 'Any name or #random for a random name'
    weight: 10.0
    material: bow
    amount: 1
    metadata: 0
    itemeffects:
      '0':
        name: Armor_Shredder
        parameters:
          '0': i40/55
          '1': i0
      '1':
        name: Levity
        parameters:
          '0': b1
          '1': i-15/-5
      '2': '#random'
    enchantments:
      '0':
        name: arrow_damage
        level: 5
      '1':
        name: durability
        level: 3