If you are making a clutch, you can skip this step and go onto step 5. If you want a purse, this is the time to dig out your purse handles. You can buy purse handles in a lot of places nowadays. Just google it. These handles I have here, they each have a little slot for attaching it to a purse. Your purse handles could be totally different, so you have to get creative by yourself here. But the basic idea is to use some of your fabric to create straps for attaching your handles to the inside of the book.
Sew the strips with the right sides facing each other, turn them inside out, fit them through the handles and sew the straps together.