The Grovelling Pheasant is the non-bead head variety, it always pays to have a good selection of both bead head and non-bead head flies. Sometimes the fish can be picky and very selective with what they are chewing on. These are a old design that is hard to modernize as they just prove themselves year after year with countless fish.
Spilt shot is always handy to add to the leader to help adjust the depth according to the flow of the river.