In Monty Python and the Holy Grail, Arthur’s servants clap coconuts together to imitate horse hooves.
The joke appears early in the 1975 British comedy, when King Arthur travels without visible horses. His servant Patsy walks behind him, striking two coconut halves together to create the sound of galloping. The scene parodies the conventions of low-budget adventure films, which often suggested off-screen action through sound rather than expensive visuals.
Arthur claims that the coconuts came from a swallow carrying them, prompting an extended argument about whether a swallow could transport one. This becomes one of the film’s most famous comic exchanges. The gag also establishes the movie’s deliberately absurd approach to medieval legend.
The objects are specifically coconuts, not wooden clappers or ordinary halves of wood. The film later returns to the same sound effect, making the improvised horse-riding device a recurring part of its visual and verbal comedy.