how to glue up then split?

Late to the party but I have an old kitchen butcher knife in the shop for this sort of thing. Thin enough to not damage the edges of the halves and thick enough to wedge things apart. Also works great for things hot glued together than must come apart. Just set the knife edge in the joint and tap the knife back with a mallet. Thinner wedge than a chisel but incredibly effective.
 
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