Popularized by Idaho fly
tier, LeRoy Hyatt, in the Dean River Lantern series, Edge Bright is a
stretchy plastic material that gathers light through its broad side and
magnifies it through its narrow edge. It is sold in 10" X 3" sheets that are
about 1/64th inch thick. The sheet is cut into narrow strips. It is wrapped
on the fly so that the rear edge of every wrap is exposed. Viewed from
the rear, this butt literally glows. It gives the same effect as a fiber
optic cable when viewed from an exposed end. There is little doubt
that a fly tied in this manner becomes easier for fish to see when they are
viewing it from the rear.
The easiest way to prepare Edge Bright is to lay the sheet on a clean pane
of glass. Smooth it out and it will tend to stick to the glass. Use a
metal straight-edge and slice with a fresh razor blade. Width of
strips vary with the size of the fly and the whim of the tier. Most
common sizes are about 1/8" to 3/16". Narrower strips will take more
wraps to cover a distance on the hook shank, so they build a larger
diameter, quicker tapered body. If you stretch the material as you
wrap it, the strip will become thinner. This may be undesirable as the
thicker strips transmit more light.
The light gathering ability of Edge Bright is enhanced when it is
under-wrapped with silver tinsel. Trim the end of your strip like the
one just below center of the picture at left. Tie it to the hook as
you see it in the picture. The end of the strip is narrowed to just
slightly larger than the wire in the hook it will be tied to. 8/0 Uni
Thread works best. The narrow end of the strip should form the
foundation under the finished Edge Bright butt or body, so its length should
be adjusted accordingly. Attach #14 silver Mylar in front of this
foundation and wrap smoothly all the way back and then all of the way
forward. Wrap the Edge Bright over this foundation so that each wrap
over laps the one under it with the rear edge of each wrap exposed.
Tying off Edge Bright can be tricky. However thread tends to dig into
it and stay in place.