This is a classic fly for the driftless area. The pink hot collar gives an extra element for the trout to key in on.
Hook: #14-16 Nymph
Bead: 3/32″ Black or Gold
Tail: 3 strands of crystal flash (root beer)
Wire: Gold ultra fine
Body: squirrel or hare’s ear dubbing
Collar: Hot pink ice dub (can be tied with any color pink)