[
  {"file": "game:itemtypes/tool/club", "op": "remove", "path": "/allowedVariants/2"},
  {"file": "game:itemtypes/tool/club", "op": "remove", "path": "/allowedVariants/1"},
  {"file": "game:itemtypes/tool/club", "op": "remove", "path": "/allowedVariants/0"}
]