The flap is created using the same method as you used in the last step, except make it about 3/4 the length of the pouch. Once you have the flap made ...
How to create a functional and stylish pouch for money and other items out of nothing more than duct tape
Step 1: Choose your Duct Tape
For the first step you need to decide what color(s) and type of duct tape you want to make your money pouch in. Duct Tape comes in many different colors and in varying thicknesses. For something like this I suggest using a lightweight thin duct tape, such as a generic brand or Duck brand tape. It should take only part of a roll or one small roll.