On Sunday, November 19, 2017 at 11:46:13 AM UTC-10, cshenk wrote:
>
> Yup, and really common to my mind in Sasebo. I don't recall seeing them
> worn outside the house there. I think they were thought of as 'house
> slippahs' (translation to Hawaii).
>
> --

There's some strange things happening in Japan, including footwear.

https://www.youtube.com/watch?v=ViJXxAyrFGs