Step0: Prep with your favorite Spray-Dry Wax. Don't have one? That's ok, get itHEREor HERE. This will help with flyaways. A classic mishap with fishtail braids-so many little haris getting traded back and forth-this will help calm them down and give them a place to stay.
Step1: Start with a dramatic side part and take a rectangle section parallel to your part. Start your engines..ready.set.fishtail!
Step2: Once you get to about the ear, start grabbing bigger sctions from the other side to incorperate- starting with your opposing fringe/hairline. Take a couple big sections so the back of your braid doesn't get saggy.