I believe the name is Danish for "Buggy As Sh.t".
hook - TFS 2305 #4
thread - UTC 140 grey brown
underbody - non-tox .020
tail - grizzly hen
body - Ice Dub hare's ear
hackle - brown partridge
Part 1
mash barb, wrap front 2/3 of shank with non-tox; start thread/wrap to bend
measure (gap width past bend) some grizzly hen (this stuff is something between marabou and hackle tip), or use marabou; tie in/trim
dub thread/dub rear 1/3 of shank
tie in partridge by tip; wrap, tie off/trim