What is a mulely grinder?

grinder (a machine that processes materials by grinding or crushing)

A submarine sandwich, also known as a sub, grinder, hero, hoagie, Italian sandwich, po' boy, wedge, zep, or torpedo,are all regional names for a popular Italian American sandwich that consists of an...

You might try Hobart

A surface grinder is used in order to smooth out the finish on something flat, usually metals and other such materials. It works by a combination of hydraulics and a spinning grinding wheel.

The basic parts are: 1) a hopper or funnel at the top of the grinder through which the meat passes through, 2) a horizontal screw conveyor that moves the meat towards 3) sharp blades that grind and...