Wich is the best ventilation for flap and Temple Area on this kind of template?

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This is what I would like

Most of the time you will want the hair in the temple areas to be ventilated down and back, the lower you go the more "back" you want it ventilated. This is a tricky area. I would recommend drawing arrows to show the ventilator exactly what you want.

Rob, when you say, "the lower you go", do you mean at the side burn area?

Should we all make a template that looks like that?