From Matt at Savage Flies:
“Created in the 1940s by Pat Barnes of West Yellowstone, Montana, the Sofa Pillow is a big stonefly or salmonfly imitation that has a proven record of success for the last eighty years. Try the lighter version with a yellow tail and body, and gray squirrel for the tail.”
Materials list:
Hook: #6-10 3x long
Thread: Brown
Tail: Goose or duck slips
Body: Red floss
Wing: Red squirrel tail
Hackle: Brown dry