CNC milling can be a messy job. A dust shoe is a great way to suck dust up as you mill and make final cleanup easy.
A dust shoe is a device that couples with a vacuum and sits near or next to the cut area to take chips and dust away. In a way, it is a fancy vacuum attachment for your CNC machine.
The Sienci Labs Dust Shoe is a great add-on for your machine that can keep dust management easy! The video below covers the assembly and use of a dust shoe.