The process of biting marks into a metal plate using acid by using wax as a resist and then 'scratching' through it.
When the metal plate is placed into the acid the 'scratches' allow the acid to bite into the metal leaving groves.
A print is taken by covering the plate with ink and then wiping all the surface ink off leaving it only in the groves.
The inked plate is printed onto damp paper using a press
All of my editions are 30 or less