Here is the project, Kindle cover pattern, where I have used cover button
Then, how to make a Cover Button?
First cut an appropriate size circle out of your fabric that is larger than your button.
Then place the button in the middle of your circle.
Start wrapping the button in the decorative material. Continue wrapping until you're done.
Now, thread the needle and hand sew until you make it all the way around the circle.
After you finish hand sewing, cut the rest of the fabric.