Rooster fight kozuka
Executed in gold and silver on a shakudō nanako base, with golden back.
Nanban kogai & kozuka set (futakoromono)
The only set of its type known to me in both private and museum collections.
Kozuka (小柄)
Japanese name of a small utility knife worn in sword and dagger scabbards.
Signed nakago kozuka
A by-knife for a Japanese sword, with a hilt shaped like a sword tang.