Woodchuck
Woodworker
I found this link on the Wooden Boat Forum and it would make a great DIY project for canoe nuts. It uses "plastic wood" and is formed with heat. I checked with the originator and it's ok to disburse.
http://www.kodakgallery.com/Slideshow.jsp?mode=fromshare&Uc=9um0v4t.5eij8n85&Uy=-xr2uq5&Ux=0
http://www.kodakgallery.com/Slideshow.jsp?mode=fromshare&Uc=9um0v4t.5eij8n85&Uy=-xr2uq5&Ux=0