double notch
<blank" >target="_blank" >figure class="wp-block-image size-full">A glossary/corner-bead/" class="glossaryLink" data-cmtooltip="578cb1a0f618c79c0949cc78c076b63f" target="_blank" >corner notch formed by cutting square depressions on the tops and bottoms of timbers or logs; cuts are located near the ends of the members. (Phillips, 1994)
