F-C CRACKLEBACK PATTERN SHEET by Ed Story. So many requests for tying instructions for Ed's F-C Crackleback Dry Woolly from customers worldwide. Updated pattern-sheet reflects updated body-material and technique. A favorite trout fly pattern nationwide. It can be fished dry, or as a subsurface skipping emerger, all on the same cast (drift)! We've fished this one pattern from upstate CA to upstate NY for a lifetime of success. Step by step tying and fishing instructions.