Drill all 47 until you don't have to think about them.
threading, quick-switcher, jump-to-unread
Message-action letters (T, R, E, A, P, U) fire on the message under focus or hover. Threads view (⌘⇧T / Ctrl+Shift+T) and new message (⌘N / Ctrl+N) are browser-reserved and sit out, like every deck's reserved chords.
Level 1 free · no account · runs in the browser
Every deck is graded 1 to 4: level 1 is the reflex core, the top level is where the specialists live. One move from each, so you can see how far it goes.
Jump to any conversation (quick switcher)
the one chord that makes the sidebar optional
…and 7 more at this level
Go to the previous unread channel or DM
back up the unread list when you overshoot
…and 11 more at this level
Save the focused message for later
a read-later pile for messages you'll need again
…and 18 more at this level
Open the Direct messages view
jump straight to your people list without the channel clutter
…and 7 more at this level
How graduation works. Drill until every move in the deck holds at ≥95% first-try, under 800ms median, across two separate days. Then the deck is done — and you get a certificate stating exactly that, plus a LinkedIn credential in one click.