How to Make a Simple Fly Trap By Hiyadudez in OutsideSurvival10,761119Introduction: How to Make a Simple Fly TrapBy HiyadudezFollow More by the author: About: My name is Hiyadudez. I make stuff. "The greatest barrier to success is the fear of failure." More About Hiyadudez » A simple fly trap made from only a plastic bottle, and some cola.