Get the cheap round Bell that all bike shops and even places like Kmart sell. It sounds like bring bring, pedestrians universally understand that Bell. They will move over without even looking backwards because they know there's a bicycle in back of them and it's not an obnoxious air horn or some other contraption that idiot bike riders have =13pxAnd you don't an artisanal, curated very expensive Bell.
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Il faut de l'audace, encore de l'audace, toujours de l'audace
1980 3Rensho-- 1975 Raleigh Sprite 3spd
1990s Raleigh M20 MTB--2007 Windsor Hour (track)
1988 Ducati 750 F1