get this...

https://www.lowes.com/pd/Deckorator...03-ft-White-Plastic-Lattice-Cap/50280315

use it to hold your plexiglass, one on top and one on bottom, then you can slide it sideways as needed, it's plastic so it's quiet! and will last.

I did that to my chicken coop to get them better air in the summer but close it up in the winter.

works great!

Whatever you are willing to put up with, is exactly what you will have.

When your ship comes in. ... make sure you are willing to unload it.

PAYPAL, sucks and I will never use them again. I recommend you do the same.