John, the wire along the top is not essential. I put it there for some additional weight and instead of putting it on the side, I put it on top to give an impression of a scud hook.... These apple caddis pupa are chunky and short, so that's what I am trying to simulate. I don't believe that small amount of wire will encourage the hook to ride upside down as I fish these on the swing, two at a time.... But since you brought it up I wonder..?.. Maybe I'll just go back to tying it on the side or breaking it after making the wire head... OK - it's off to the water tank for some testing......