「その1」はかなり前ですが……。

Ready for Biking by huskyte77, on Flickr
Untitled by Richard Masoner / Cyclelicious, on Flickr
Sea Otter 2012に出展されていたというやつですね。

Helmet fits for all ages by Chicago Bicycle Program, on Flickr

Yakkay Paris Gold at Flying Pigeon LA by ubrayj02, on Flickr
(Gen SUGAI)