Conversation so far:
When was the Bowie knife made by the blacksmith James Black?
In 1830, blacksmith James Black made the famous Bowie knife for Jim Bowie who was already famous for knife-fighting from his 1827 sandbar duel.
What was special about the Bowie knife that the blacksmith James Black made?
Jim Bowie's killing of three assassins in Texas and his death at the Battle of the Alamo made him, and blacksmith James Black's knife, legends.

Question: What else was important about the knife?
Self-contained rewrite: What else was important about the blacksmith James Black's Bowie knife besides Jim Bowie using it to kill three assassins and Jim Bowie dying at the Battle of Alamo making Jim Bowie and the knife legends?