This Medieval couching technique might work very well on needlepoint canvas, depending on the design, so I'm adding the link for the more experimental stitchers to think about.
http://www.sharpneedler.com/2019/08/dragonfly-with-underside-couching.html
Written by Jane/Chilly Hollow
Blogging at http://chillyhollownp.blogspot.com
and at http://chstitchguides.blogspot.com
© Copyright August 9, 2019 Jane M. Wood. All rights reserved.