Coffee Appreciation

I'll tell you what guys - either make or buy a bottomless portafilter. It'll add a whole other dimension to your coffee.
Now a days I only use the naked PF to hold the blind filter. But it's a valuable diagnostic tool while learning!

is the naked portafilter to practice your grind and tamping?
What you see is the outcome of the hole process; beans, roast, age, grind, dose, distribution, tamp and a range of brew and machine related parameters.