Continuous bell sounds have long been used in schools, workplaces and public buildings to mark the start or end of a period, which is why listeners recognise this tone instantly even without any visual context. Online, short clips of a bell ringing non-stop have become a handy editing tool for creators who need a clear, universal signal for time, urgency or interruption. Because the sound is simple and familiar, it works across languages and formats, from classroom comedy and reaction videos to game streams and announcements, and it remains popular as a straightforward way to grab attention.