Albus Dumbledore's knife

Albus Dumbledore's knife is the tool used by Albus Dumbledore to cut his hand in able to get some blood as a tribute or payment to open and closed the sealed archway entrance to the Mysterious Cave where he and Harry Potter retrieved the fake Horcrux Locket in 1996. It was made in silver and look like same with the knife used by Harry Potter in Potions class to chop some Potion ingredients.

Appearances

 * Harry Potter and the Half-Blood Prince
 * Harry Potter and the Half-Blood Prince (film)