You make them, and YOU sell them? Or you make them, and SHE sells them?
Best and easiest way to keep the bark on? No brainer. You cut them, give them to her, and let her figure out how keep the bark on. 'Cause if you try to keep the bark on, and it fails, it will come back to bite you in the butt. So, let her try to keep the bark on, and it'll be her worry if it doesn't work, not yours.
Me, I'd probably just nail it on. Hehehe
"It ain't what you're told, it's what you know." - Granny Weatherwax
Gather the villagers, pitchforks, torches; we march at dusk!
Some days, the supply of available curse words is insufficient to meet my demands.
.....Call me a craftsman, artisan, or artistic, and I will accept that. Call me an artist and you will likely get a quite rude comment in return. I am not a @#$%ing artist.