Somebody wrote:

I forgot to add, I added a "finger" if you will to the bottom back
side of
the insert that goes up under the table top. This absolutely
insures that
the back side of the blade does not lift up the back aide of the
insert.


A piece of oak/maple 3/8" wide X 3/8" high, 2-3" long, projecting out
the back
of the insert about 3/8", works for me.


Lew