Save Rubber" poster
The pattern
This still is filed under Problem-agitate-solve.
Define
Name the problem, make the cost of leaving it felt, then present the way out as relief.
Mechanism
Tension then release. The offer is not an interruption. It is the only door once the cost of staying is clear.
Verdict
The problem is known but not yet urgent
Why it works
It uses a lighthearted, comic-strip visual style to deliver a serious message about resource scarcity. The humor diffuses the frustration of rationing, while the vignettes provide practical, everyday solutions (like carpooling) framed as neighborly cooperation.
Steal this when
You need to communicate inconvenient restrictions or shortages to your audience without sounding overly authoritative or scolding.