Try to count the number of helmets you can spot: https://www.youtube.com/watch?v=pqQSwQLDIK8 https://www.youtube.com/watch?v=pqQSwQLDIK8 https://www.youtube.c

Try to count the number of helmets you can spot: https://www.youtube.com/watch?v=pqQSwQLDIK8 https://www.youtube.com/watch?v=pqQSwQLDIK8 https://www.youtube.com/watch?v=ynwMN3Z9Og8 https://www.youtube.com/watch?v=ynwMN3Z9Og8 In Amsterdam if we see adult cyclists with a helmet we'd guess it's probably a tourist or new expat. For children most parents only bother with helmets until they're six years or so.