My b. Forgot to add pin at the end of that, safety pin
Ahh sorry! I think it just distributes the grounds and breaks up clumps, so the water will flow through more evenly creating a more even extraction. The clumps can be too small to see but make a difference to the taste.
@hangedup started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
My b. Forgot to add pin at the end of that, safety pin