I switched years ago to the water based head cements as it doesn't dry up in the bottle. Now I'm tying prototype flies for the married wing fly swap and trying to use the same water based head cement. I seem to be having a problem with the cement wicking up into the quill wing butts. Is this why people switch back and forth between the thicker head cements and the liquidy water based head cements? What's the pro's and con's of both types. Until I tied these last two quill winged wet flies I thought the runnier head cement was wayyyy bettter.