The basilisk was another thing that took up a lot of their valuable time. Though the Potion Master had not "insisted" per se, he had strongly suggested stripping the cadaver of useful parts, reasoning that Gringotts would need to access the quality before putting them up for auction. There was more flesh, blood and poison available than Harry would have anticipated, especially after all this time. He could not suppress a shudder when removing the teeth. He kept a finger-long tooth for himself, sealing it in a big vial before hiding it in his seemingly bottomless bag. One could never know.