How to make the CRISPIEST chicken sandwich EVER with Air fried OR pan fried chicken thighs

This SUPER CRISPY and DELICIOUS fried chicken sandwich is better than anything you can get from Popeye's or Chick fil - A! Well seasoned and marinated in hot sauce then air fried or pan fried to crispy deliciousness this easy spicy chicken sandwich is a winner for breakfast, lunch, and dinner! 6 large bone in /skin on chicken thighs 2 tablespoons of seasoned salt 1/4 cup of Frank's Redhot hot sauce 1 cup of all purpose flour 1/2 cup of cornstarch OR potato starch 1 tablespoon of baking powder oil for frying Toasted brioche buns For the BONE SAUCE Add the bones to 2 cups of water 1/4 cup of LOWER SODIUM soy sauce 1/4 of MIRIN rice wine 2 smashed garlic cloves 1 inch piece of ginger smashed 1 cinnamon stick 2 dry ARBOL chiles 1/4 cup light brown sugar