1)  Secure thread to hook just behind eye.  Lash one strand of pearl Krystal Flash to the top of the shank and wrap back to the bend in smooth, touching turns with the thread.  The Krystal Flash will be the ribbing, so be sure to have a couple inches extending beyond the bend.  To maintain a slim body for the smaller sizes, use finer thread, or let the thread untwist to flatten it.

2)  Wrap the thread forward, again keeping in mind a slim body, to about two hook-eye widths behind the eye.  Untwist the Krystal Flash by stroking it from the fly outward; hold it taught and wrap it forward to form the ribbing in five or six turns.  Tie off with three tight turns of thread and carefully clip the excess.

3)  Cut a short section from a strand of pearl Krystal Flash.  Fold this in half around the tying thread and slide it to the hook shank.  Take a couple turns of thread rearward to secure it to the top of the shank.  You should end up with two strands forming a V shape on top.  Trim the ends even with the hook bend.

4)  Select two similar CDC feathers, and hold them together by the butt ends.  Stroke the barbs of both feathers together toward the tip (the ideal feathers will have barbs that all reach the same length when gathered like this).  Tie this bundle to the top of the shank directly on top of the Krystal Flash "V", the tips about even with the hook bend.  If there are any excessively longer fibers, pinch them between finger and thumbnail and break them off so they're even with the others- this creates a more "natural" look than just trimming.

5)  For the CDC hackle, trim the excess butt ends from the wing (extending out over the eye) to about shank length.  Carefully sneak in with fine-point scissors and clip the stems out close.  Take a couple more turns of thread, then fold the barbs back.  Take a couple turns in front to hold them there, then whip finish and clip the thread.  Add a drop of head cement. to the knot.

NOTES:  Other color variations may include a tan body with olive Krystal Flash, a black body with peacock Krystal Flash, and gray or white with any of the "pearlescent" colors.  Experiment and study the naturals to find the effective colors for your area.

You can fish these as you would any midge dry fly, but on the high-sun flats, I find it best to use a mono-based 7x tippet, long (combined with leader up to about fourteen feet).  Cast out and let it sit.  It would be ideal to target a particular fish, but when they're spooky in the high sun and lots of fishing pressure, it's sometimes necessary to cast further from the feeders and wait for them to come near.  A slight movement, as much as merely taking up slack in the line for a couple inches, can draw their attention to your offering.  This is is not run-and-gun fishing, but an exercise in patience.  The concentration and stillness can also be a good time for contemplation and relaxation, at least until a nice trout sips in the fly, then the game is on!