One way to use the COLINO coffee bean screens

see also:
https://dailycoffeenews.com/2020/01/09/makers-of-artisan-and-tonino-launch-the-colino-coffee-sorting-sieves/

https://my-tonino.com/shop/en/colino-kit

Youtube version: https://www.youtube.com/watch?v=7HdfGUwxdn4