I've had a couple of them snap off the threaded insert when too much pressure was applied to the rear grip. Note that "too much pressue" never seems to occur while fishing...more of the 'oops, I sat on it' sort.
They're nice because they preserve the whole length of the rod to be used for casting...but I still wonder about the transfer of bottom hand energy to the blank when the butt is mounted away from it like that. In practice, it seems to work fine, so good enough I guess.
Rod Bond is what I use for grips and reelseats, but any high strength slow cure epoxy should be fine. A liberal application inside the reelseat where you're going to be mounting the receiving end of the butt hardware is probably a good idea.
Scott Kinney
The Longest Cast Fly Rods
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www.thelongestcast.com]
