Freestyle,
I generally count down so that I can repeat as necessary when fish are found. So, I start with say 10secs, give the two 2' pulls followed by a mix of fast & slow fig 8's. When I stop, I leave it for 5-10 seconds then a long steady draw of about 2 feet on the line with my free hand. Quite a few fish will immediately grab the fly they have been watching as they think it is escaping. If nothing happens I pause for a second or so then into the fig 8's again.At the end of the cast I will do a roll cast to get the line up, but pause at the top of the movement as again fish will launch themselves at a fly they think is getting away. This then gets a bit tricky as you are standing there with the rod up at 12 o'clock, no spare "arm" to strike with and a fish hanging on to the fly. If a fish takes snap the rod forward which will nick the hook into the fish's mouth long enough for you to get things under control again and don't forget to lift firmly into the fish when you have done so.
If there have been no offers after a dozen or so casts at 10secs, try 15, then 20 until you either hit fish or the bottom. If the latter then shorten the count by a couple of seconds so that you are fishing just above. If nothing after half an hour or so, move and start again.
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