• ✓Same engine as Task Switch, with the rule announced
• ✓The technique first: say the new rule to yourself once before answering
• ✓The sign stays up: the work is stopping the hand, not remembering
• ✓EQ: three misses buys a breath and then the rule, plainly
• ✓A bell on the switch, for a child whose eyes are on the cardsplanned

✓ = done · ☐ = planned. Every game is built one step at a time like this.