Why not? If you taper the mortise properly you have a hidden dovetail which
gives mechanical hold in addition to adhesive hold.

"Andy Dingley" wrote in message
...
On Sat, 25 Sep 2004 09:30:53 -0400, "J. Clarke"
wrote:

In a sense it's just an extension of the idea of a wedged tenon--instead
of
expanding it with a wedge it's expanded with the moisture from the glue.

But do foxed (blind wedged) tenons have any place in fine furniture ?