Attributes with more than 1 Slot is broken for MM 5.9.5

Closing due to not a bug. There is no default Attribute Operation, so you need to add one.

This is a working bow.

repaircostbug:
  Id: bow
  Display: "i dont work"
  Attributes:
    MainHand:
      Damage: -4 ADD
    OffHand:
      Damage: -4 ADD

[Legacy attachment omitted]