If you are brand new to loom knitting and you're unsure how to get started, this video is for you. The cast on is the first step to any loom knitting project. It is a way of putting the first row of yarn onto the loom. The e wrap cast on is the most basic way to cast on to a knitting loom. These instructions for the e wrap cast on work with any loom. Here I am using the Knifty Knitter brand small blue round loom.