Matthias random stuff | More thoughts on knapp joints and their history @matthiasrandomstuff2221 | Uploaded December 2019 | Updated October 2024, 5 days ago.
This is a followup to this video: youtu.be/4ycl0V_XFDo
More about the knapp joint on my website:
woodgears.ca/box/knapp.html
This is a followup to this video: youtu.be/4ycl0V_XFDo
More about the knapp joint on my website:
woodgears.ca/box/knapp.html