create implication digitigrade_footwear (380) -> furgonomic_footwear (1049)
create implication furgonomic_footwear (1049) -> footwear (336033)
create implication furgonomic_footwear (1049) -> furgonomics (69707)
remove implication digitigrade_footwear (380) -> footwear (336033)
remove implication digitigrade_footwear (380) -> furgonomics (69707)