Shocking! Why I Will Only Use this Knock Box

[@SImonSmiles84]

I recommend watching a few tutorials on "dialling in" your espresso, that puck looks very wet and based on the grinds over the edges it may be over-filled too. :)

[@reviews_by_annie]

Thanks for the tip! I'm still learning about my Breville machine.

[@travelogueblogger]

what is the material of the bar?