Dock Leveler Rubber Seals
https://agnathoteu.doodlekit.com/blog/entry/5111005/the-12-best-dockseals-accounts-to-follow-on-twitter
Poorly preserved Business Refrigeration devices also has a tendency to mist up the home windows, which makes it harder for shoppers to tell what's in there, and also makes you much more at risk to burglary.