Replies

1. 
   RalphBarker | Jan 04, 2013 10:23am | #1

   Sam's Club joints

   (As in "Big Box".)  ;-)

   If the spacing is uniform, you could make a table-saw jig to do the job with a dado set, or adapt a smaller router jig by skipping every other "finger".

   For irregular spacing, marking and hand-cutting may be better. Think big, bold, Greene and Greene style.