Bolt onto existing machine which applies a thin coating of over varnish to your printed beverage cans.
The current version uses nylon blades which makes life hard getting a consistent coverage and the blades wear quickly, hence the steel blade.
Fits behind the silver guard bottom mid image, below yellow guarding.
www.stollemachinery.com/en/products/rutherford-decorator-and-basecoater

 what on earth is this lil contraption for? looks expensive whatever it is

 Are u selling many of these on here brendan?

 Loads mate good for cleaning the shit off the back wheel.