This is a great end-to-end video of the ROK espresso brewing process. The only things I would add are: 1. Run hot water through the ROK after you’ve finished to flush out any residual grounds and oils. 2. Remove the white filter screen and dry thoroughly before putting the ROK away.

Video credit: Максим Рязанов

Where to buy ROK espresso maker:

Australia: https://espressounplugged.com.au/rok
Canada: https://espressounplugged.ca/rok
New Zealand: https://presso.co.nz/rok
USA/International: https://espressounplugged.com/rok