Here's how I did it.
1. Rip the fabric into 1 inch strips (or so). 3 strips per coaster. I didn't measure mine but they are the width of typical fabric. I ripped selvedge to selvedge.
2. Knot the 3 strips together and begin braiding.
3. When you get to the end or the length that you want it. Knot the strips again.
4. Begin coiling the braid and using a threaded needle, secure it as you coil. If you use a coordinating thread no one will ever know. The Pinterest connection used glue but I'm a needle and thread kind of girl. I'm afraid if it gets too wet the glue might not work.
One summer day down and 60 more to go! Lets see- what to do tomorrow?.........
Go to Carolyn's Homework blog to see her beautiful set of braided t-shirt yarn coasters.
It's also on Pinterest at this spot.