Too Cheap/Lazy to Buy/Make a Knockbox - Behold My KnockTowel

https://reddit.com/link/1pexndb/video/z3ljfy4hhe5g1/player

Features include: puck autopsy (check for channeling, too wet), and screen retrieval function. Puck goes straight to trash. KnockTowel also doubles as SteamwandWipe.