On Wed, 14 Feb 2018 20:21:14 +0000
Martin Brown wrote:

On 14/02/2018 18:30, Andy Burns wrote:
Andy Burns wrote:

[...]

https://www.sockshop.co.uk/products/sockshop-wooden-foot-file

But don't spend £5 on the file, spend it on bamboo socks and as a
new customer you do (did?) get a file for free ...

"Bamboo socks" sounds more like minimalist snow shoes.

Most of the funky hipster "bamboo" textile products are just rayon
produced from cellulose of bamboo origin. Apparently the process of
converting raw cellulose to a useful polymer involves nasty chemicals
which poison workers.