mass update feather_hat -> hat_feather
create alias feathered_cap (19) -> hat_feather (952)
create alias feathered_hat (1) -> hat_feather (952)
create implication feathered_headdress (140) -> headdress (4093)
create implication headdress (4093) -> headwear (223294)
create implication tricorne (114) -> hat (205543)
create implication bicorne (40) -> hat (205543)
remove implication hat_feather (952) -> headwear (223294)
create implication hat_feather (952) -> hat (205543)