It was said that when the mice were introduced into his mouth, they threw themselves into the pharynx where they were immediately suffocated and then swallowed.

The next morning they would be passed by the rectum flayed and covered with a mucous substance.

Henrion continued his calling until 1820, when, for a moderate sum, he was induced to swallow some nails and a plated iron spoon 5 1/2 inches long and one inch in breadth.

He died seven days later.
According to Bonet, there was a man by the name of Pichard who swallowed a razor and two knives in the presence of King Charles II of England, the King himself placing the articles into the man's mouth.

In 1810 Babbington and Curry are accredited with citing the history of an American sailor in Guy's Hospital, London, who frequently swallowed penknives for the amusement of his audiences.