Abu Hamza appeared in a New York courtroom with his hook removed. The Telegraph is reporting that US officials ordered it to be removed for security purposes.
During the hearing his lawyers asked for the return of his prosthetics, saying they were essential for him to "function in a civilised manner".
Abu Hamza was in custody in New York today awaiting trial on charges of bombing two United States embassies in Africa.
Radical cleric Abu Hamza has appeared in front of a New York court following his extradition from the UK. He did not enter a plea.
Abu Hamza and four other terror suspects have left prison and are on route to the US where they face terror charges.