When wet, the waxed thread takes on a gorgeous olive hue. To get the right shade, run wax up and down the thread twice, then rub quickly with thumb and forefinger.
Material list for the Greenwell’s Spider
Hook: Size 14 Mustad R30
Body: Pearsall’s No.5 yellow silk, well waxed
Rib: Fine gold wire
Hackle: Greenwell’s hen