Get some type of bottle to dispense the dye. A good idea would be to use something like a mustard or ketchup bottle like you would find in some restaraunts. You want something just like that, only maybe a little smaller. Get a white T-shirt and wet it. Wring it out pretty good, so it is damp. Lay it out on a flat surface. Put your finger in an area around the middle. That will be the circle of your spiral. Leaving your finger in the middle of the shirt, begin to wind the shirt around your finger, making sure the shirt stays relatively flat. Continue to do that until you get it all wound up. It should be about as tall as a doorknob, and the diameter relatively close to that of a saucer. Put three to four rubber bands around it. You should space them out relatively evenly, so it sort of looks like a pie. Fill up your sink with just enough water so that the shirt can be fully submerged. Pour a good bit of soda ash into the water. Not a ton, but a decent amount. Mix it in with the water fairly well. Let the shirt soak in that for about 20-25 minutes. When the 20 minutes are up, wring the shirt out fairly well. Do not rinse. When you put the colors in, you want add enough so you don't see white. You don't want to put so much in that there are little puddles lying around on the shirt. Make sure you get into all the little folds of the shirt. For each section (the little things that look like slices of pie), alternate colors. You could also mix colors, like blue and yellow. Get some plastic wrap or something and cover your shirt for 24 hours. After 24 hours, run water over the shirt until the water dripping out is farily clear. Then you can cut the rubber bands off to see what it looks like. Directly after rinsing, throw just the shirt into the washer with warm water. Use liquid soap. After the wash, just throw it into the dryer for about 20 minutes.