In this great video from Jensen Fly Fishing, Dave explains how to fish the pool below a sharp bend in a river. As usual, he’s got all bases covered, as he discusses casting, mending, and rod position. As Dave says, “The best mend is made with your feet.”
https://www.orvis.com/fly-fishing
https://news.orvis.com/fly-fishing
http://flyfishalberta.com/jensenflyfishing/
Also look at:
http://flyfishing-blog.com/flyfishing-blog.com/2020/09/12/orvis-pro-wader-fabric-and-construction/
http://flyfishing-blog.com/flyfishing-blog.com/2020/08/11/orvis-how-to-fish-woolly-buggers-in-rivers-part-iii/
http://flyfishing-blog.com/flyfishing-blog.com/2020/08/04/orvis-how-to-fish-woolly-buggers-in-rivers-part-ii-the-dead-drift/