Hans-- I love this idea and feel sure I’ll use it at some point.
I wonder whether you tried wire without a notch at the bottom-- did
that not hold? [Most of the time I feel as though the vast majority
of questions should be answered by doing an experiment, oneself,
rather than asking, but you made that lovely little jig that allows
you to really SEE what is goin on…]
–Be a good craftsman; it won’t stop you being a genius.