then he'd start flicking acorns or pebbles out into the leaves. To the squirrels, that signaled that the danger must be gone
Your Grandpa was a smart man and knew how to hunt squirrels. I've been using this trick for many years. You are also right about, no matter what you do, the little buggers always know you are there.
I often switch coma shirts so they can come out and laugh at my latest pattern. .....
I use another trick that involves an old squirrel tail, on the end of a stick; will leave this one to your imagination. .....
Be Safe !!!