Swing gate safety edge

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Hi,

I am installing a metal 5 bar gate with a roger swing motor. For safety I am putting a safety edge on the end of the gate where it closes. The only obvious place to install it is on the flat box section that will meet the slam post as this is the pinch point. I am hesitating as I am concerned when the gate closes it will meet the post and then activate the safety edge thus opening the gate again??

Unless the resistance won’t be enough to cause this?

Thanks