Brother's book ''Sewing with the Overlock Machine'' explains the basics of your overlock machine.

The book is suitable for both Brother lock machines and lock machines of other brands. This book explains the basics of your overlock machine. By means of clear pictures, drawings and accompanying text you will be clearly explained how your overlock machine works, and all the things you can do with it. This ranges from threading the machine and changing needles, to ways of inserting borders and handling stretch fabric.
This book provides a good basis for a first introduction to locking or to test if you know all the basics and techniques of the overlocker.