Absolutely my favorite sketching tool! I use them for both loose sketches and hand lettering.
Sounds weird right? I'm a huge coffee drinker, but to be honest I LOVE the taste of mushroom coffee more than regular coffee. Plus it's less acidic, and you get all of the health benefits of the mushrooms included in each blend.
I love using these wide Post-it notes for quick storyboarding. They're very close in proportion to to 16:9 screen ratio.
The sketchbook I use to create a custom bullet journal, for notes, doodles, and brainstorming