Originally Posted by
Brian Runau
think I could pull the pocket screws and open the join with a Japanese saw and then re-glue?
Yes, pull the pocket screws first. Just make sure it's a flush cut saw with the "safe" side toward the stile/leg because you do not want to damage it. If you use a non-flush cut saw, make your cut well proud of the vertical member and the trim it flush with a sharp blade or by sanding carefully, etc. Be sure that your replacement piece is really well clamped before you drive the pocket screws. The angle they go in can move the material unless it's fixed very firmly...as you have found out.
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The most expensive tool is the one you buy "cheaply" and often...