Greenfish
That is very similar to what I call flipping the standing timber for crappie with the 10 - 12 ft poles.
For me this is some of my post spawn crappie fishing technique untill early July. I swing the bait out past the tree to the length of line and just let the bait pendulum back down through the water to the tree. Just watch for the 'line tick' as the bait descends or any variation from a normal non pickup descent as the bait falls. This way I work various levels of the water column for the active crappie. Make several casts or flips to a tree from different angles and move on to the next tree in the tree line.
After catching a few you begin to see a pattern the crappie seem to prefer as to tree size, location from channel, horizontal branches, water depth and etc. Also be ready for a big ol green carp or even a flathead to grab your bait.
It amazing how much leverage one has in playing a 6# bass or 10# cat with the long rods if you can keep them in the open water.
I've had a friend tell me that he will work standing timber in the backs of coves for crappie in water no deeper than 5 or 6 ft and shallower using a long pole. This is in July and August. He does this early morning until 10 - 11 and catches crappie. If he catches a fish from a stick up he just moves on to another saying he doesn't catch more than one or two at a tree. A pattern where there won't be anyone else around and other folks will think you are bass fishing. I plan on checking this out this summer and finding out if this fellow is right on or full of crap...ie.
I also use my long crappie pole with 50# braid and a circle hook with some cut bait to flip for channel cats around fish feeders in the summer. I've landed 15# channel with this method. This is a absolute hoot to get these fish turned and away from the feeder's anchor chain and into open water to play. The only time I have ever broken one of these long poles catfishing is when a 6#er slipped out of my hand and fell onto the long pole laying in the boat.
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