Veritas Quad Slot Fence Adapter for 20mm Dogs

I've got a pair of 20mm short [Parf Dogs](http://www.leevalley.com/en/wood/page.aspx?p=71185&cat=1,41637), I've got a [Veritas Quad T-Slot Track](http://www.leevalley.com/en/wood/page.aspx?p=73519&cat=1,43455,61994,73519). Merge.