Wild Jerky Marinade  For every 1 pound of meat, you will need:    4 tbsp. soy sauce  4 tbsp. Worcestershire sauce  1 tbsp. ketchup  ¼ tsp. black pepper  1 large or 2 small fresh garlic cloves, pressed or ¼ tsp. garlic powder  ¼ tsp. onion powder  ¾ tsp kosher salt  red pepper flakes to taste