My version looks a little different than the one I found online. But the trout really liked it today.
Hook: #12 Nymph 2 x-long
Bead: 1/8 Black Nickel
UnderBody: .020 Lead Wire
Butt section: Chartreuse Floss, with 4 strands of crystal flash sticking out over top
Rear Hackle: Partridge feather
Abdomen: Gray Punch Yarn (original pattern calls for hare's ear dubbing)
Rib: Copper Wire
Front Hackle: Partridge feather
The measurements of fly fishing: 1 part man, 1 part fish, and all God.