Also, you might want to tune into Youtuber James Hoffmann a World Barista Champion who has a wonderful site about expresso and it's associated equipment.
Link to video
Further, Mr. Hoffmann and I both worship the same hair god, the late great David Lynch.
[image: 1751143103804-90e57a7f-ea18-4067-91f0-4b5b1bd96357-image.png]
(We are not worthy,
We are not worthy,
We are not worthy.)