Maybe you can get some ideas from this. I drilled a hole in the bottom bracket. The second bolt is just glued in. I've also drilled holes in the bb of other bikes and used a l bracket to mount a Schwinn style chainguard.
Flexible strapping with a more solid piece of metal behind it but it...
Luke, I just got back from riding an errand so today is 248.
Cman my 100th geocouch score 2 days ago. The shirt might appear to be a solid color but it has small checkers. Don't know if that's considered plaid :)