Mix together oil, ranch mix, and wannarub until well combined. Gently place crackers in bag and pour the mixture over top of the crackers. Seal bag and flip bag up and down, turning over several times until all the crackers have been coated. Repeat flipping bag over several times every 30 minutes for 2 hours. Place crackers on foiled lined baking sheets and bake in 250 deg. preheated oven for 15 minutes. Once you try one your gonna wanna keep coming back for more.