Badger Bivisible dry fly pattern

from the recipe in The Founding Flies by Mike Valla
a dry fly concept from Edward Hewitt

Hook: #10 - 14 fine wire
Thread: black or tan
Tail: two badger hackle tips
Body: palmered badger hackle
Front body: white hackle

Head cement recipe:
Goop
Xylene (epoxy thinnner)

Instructions:
Fill a quart jar half full with Xylene
Squeeze a tube of Goop into the Xylene
Shake until the Goop is dissolved; add Xylene to desired consistency

Apply with a pin or needle dipped in the liquid

https://youtu.be/AJbvJUixaCs