While thinking about using the paddle with a warping reel, it occurred to me to show how you can get the pegs you need for the crosses on warping reels. In my books I recommend using 4 pegs for the crosses and usually reels only have 3. This is what I have used to get the needed 4 pegs.
These illustrations are from my Book #1, Winding a Warp & Using a Paddle, on pages 33 and 34.