A woodblock is a hollow wooden percussion block struck with a mallet, long used in school music, orchestral percussion and simple rhythm exercises for its clear, dry tone. Short recordings of the instrument have become handy stock sounds online because the knock is instantly recognisable and easy to place in an edit without needing a melody or context. Creators reuse it as a neutral accent for tutorials, memes, games and everyday short-form videos, where a single percussive hit can mark timing, emphasise a movement or add a light, playful feel without overpowering speech.