I wonder how much we all miss when we look at a frame or a timber or a joint?
If that ain't the truth!
Neat about the crecent-shaped outlines. Very neat...
I think draw boring is one of those things that's immensely practical and so effective that it had to have happened. And it's closely related to wedged through tenons...tightening a shoulder up...at least those we can see. (I have certianly seen these used in furniture)
Ken Hume:
What about over there, was draw boring standard practice in your opinion, or is it an American innovation?