laulis·4 anni fa·discussTier in Germany did have helmets on some of their older scooters, however it seems like they replaced them with newer ones which don't have them anymore.
laulis·5 anni fa·discussThere's Flaschenpost[1] in some cities, and afaik it's pretty popular. Me and my partner use it pretty regularly.[1] https://www.flaschenpost.de/