Replying to
@nickzoic@aus.social @pete@masto.hypertelia.com speaking as both a pedestrian and occasional cyclist, it seems like a headphone-penetrating "on your left"/"on your right" would be more useful than just a bell.
Fan of US college and European pro ice hockey, any beer that hasn't been ruined by hops or pumpkin, and assorted SF and Fantasy. Dedicated Debian user. Ecumenical Bayesian. Somewhere between eclectic and weird.