... hmmm, this GB subject seemed innocuous enough.
Turns out the mechanical simplicity of the technology presents gotchas that are hard to sidestep: unlike higher tech whatchamacallits, a bit of rigging that isn't taught stands out to just about anyone who's ever tied a shoelace!
A good time to lessen expectations of ourselves, just a wee bit, enjoy the process, be grateful for the learning, and cheer what we manage to get right!
And for those who enjoy pushing their limits, go for it!
You're likely teaching the rest of us a thing or two while you're at it, whether it works out or not.