Camlet Dun: a trout fry pattern from Favorite Flies and Their Histories (1892) by Mary Orvis Marbury

Hook: #10 sproat
Thread: black
Tail: two dark duck wing barbs
Rib: red thread
Body: light gray wool dubbing
Hackle: white hen
Wing: light gray duck quill

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