
A device used in chess to keep track of the time each player takes during a game. In this context, it's used metaphorically or literally as a productivity tool to measure focused work time and penalize distractions.
chess clocks.
"
"George introduces the "chess clock methodology" as a productivity hack for deep work, inspired by Tim Urban. The idea is to use a chess clock (or a timer) to strictly measure focused work time and switch to the "distraction" clock whenever one deviates from the task."




