John,
Yes, have posted here, but before adding some UV Pearl ice dub,
Am headed for Henry’s Fork and Madison in late June. Over 30 years going there.
I have used this fly in the fast water in the middle of The Ranch just above the old broken down bridge mid-Ranch.

Luckily, at the time I go, I can use dry Flies which is my preferred method of fly fishing. But, this fly can also be fished as a dry and has worked as such representing a cripple