I stated out cutting a bunch of fat halfs. I use this technique to cut lengths of fabric to eliminate the long unraveling threads on the cut edge. I measure my length (1 yard), fold and make a diagonal cut ( 1/2 ") on the one yard line, then tear. No strangely annoying threads strangling my fabric in the washer. Sorry about the 2 blurry pics.
then threaded the end of the twine through the loop and made a noose around the fabric and started wrapping. At the end I made another loop about a foot from the end, wrapped to the end and threaded the end through the second loop and made a half hitch to secure it.
Then I applied the indigo colored dye (ProChemical) with a foam brush HEAVILY until it puddled on the table. I rolled it around in the dye to make sure it was soaked and put a plastic bag on the end.