directional 5hz frequency to put out a cigarette?

I did think of Halon but thought it might be a little indiscriminate in who it extinguishes.
An obvious white ground stain might help others to understand what will happen to them if they persist 🙂

Yes I have issues with smokers of all types.
Watch family and friends die from lung cancer after being on oxygen and relying on others to do basic day to day tasks and you might understand my biases.