Open any chat model. Paste a messy paragraph (or this sample: 'Hey so about the meeting tomorrow I think we should maybe discuss the budget and also the hiring freeze and possibly the vendor thing if theres time'). Then paste: 'Rewrite as exactly 5 bullets, max 12 words each, no intro, no closing.' Completion: count the bullets — is it exactly 5?
How-to · INT · INT.1
Force bullets — constraint prompting
Hard constraints (exactly N bullets, format, must/must-not) steer models better than polite-but-vague requests.
Worked example
Vague asks get essays. Constraints get usable drafts. This is Practical Magic you can reuse every day.