Impressioning is the method used to make a key to a lock using just a blank key and a file. This is a true art and a required skill in becoming a first class Locksmith. The art of Impressioning, when learned properly will be an asset to you through out your entire career. This course clearly shows you the tools you will need and the various methods used in key Impressioning. This is a skill used extensively in making keys to cars, file cabinet locks; virtually all wafer and pin tumbler locks and will save you a enormous amount of time and money.