A customer has created a fantastic video and blog post about the KM-1 Kerfmaker. Paul-Marcel St-Onge's blog is a great resource.
Find the blog post with video here:
http://www.halfinchshy.com/2011/06/bridge-city-km-1-kerfmaker-users-guide.html
The link to just the Youtube video is here:
http://www.youtube.com/watch?feature=player_embedded&v=eFpNxtiSaYY
<iframe width="853" height="510" src="http://www.youtube.com/embed/eFpNxtiSaYY" frameborder="0" allowfullscreen></iframe>
[youtube]http://www.youtube.com/watch?v=eFpNxtiSaYY[/youtube]
<object width="853" height="510"><param name="movie" value="http://www.youtube.com/v/eFpNxtiSaYY?version=3&hl=en_US"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/eFpNxtiSaYY?version=3&hl=en_US" type="application/x-shockwave-flash" width="853" height="510" allowscriptaccess="always" allowfullscreen="true"></embed></object>
<object width="425" height="350"><param name="movie" value="http://www.youtube.com/v/eFpNxtiSaYY?version=3&hl=en_US"></param><param name="wmode" value="transparent"></param><embed src="http://www.youtube.com/v/eFpNxtiSaYY?version=3&hl=en_US" type="application/x-shockwave-flash" wmode="transparent" width="425" height="350"></embed></object>