Knife stuff is pretty niche. A lot of what people do is based on experience and conjecture rather than a complete understanding of what they’re doing.
Your pocket knife, while cool and sentimental to you, is only a little more complicated than your dinner knives. You wouldn’t want to wipe down your dinner knives with a dirty shop towel and risk a chunk of sandpaper grit scratching them, or risk leaving behind a gross residue. But a disposable shop towel, paper towel, or clean cloth is fine for cleaning them. Maybe a q-tip for smaller spaces.
Polishing cloths have (minimal imo) value in handling heavily polished knives, those that have been taken to a very fine aesthetic polish. Not a typical concern.
I’m finishing off my bag of Counter Culture Field Trip, which I will miss. It was Aeropress today, I’m out of V60 papers. I have about 20 grams left, great for a lazy morning at home, but maybe I’ll have someone over and share it.