I don’t even drink coffee but after seeing an espresso shot get pulled through a naked portafilter on an espresso machine, it’s the only thing I want in my life. Watching the water swish through the finely ground coffee beans and then seeing it seep through each hole and then finally being allowed to witness how the various flows group together to form that golden brown liquid of the gods. Man oh man, it’s like being around to see a superweapon charging up.
https://www.youtube.com/watch?v=ZMAJgS4A6zs
Here’s a bit on the benefit of a naked or bottomless portafilter for an espresso machine:
https://www.youtube.com/watch?v=lqD_tnqtJiM