"He who marches out of step hears another drum." ~ Ken Kesey
we use these:http://www.webstaurantstore.com/tablecraft-4212-12-icing-spatula/8084212.html
Yes, we don't let ANYTHING but cleanup cards/business cards touch our (S-)mesh. Other things were leaving scratches and that wasn't working for us. Now we use spatulas in the bucket but then scrape them off with cards into the screens.