DIY-Refashion: Project Hippy Chic Headband (and seeking advice)

Take an old knit shirt with little purpose left in it:
And turn it into a hippy chic braided headband.
Don't be scared, you don't even need a sewing machine!
-Measure you or your baby's head.
-Cut three 3/4 inch strips in that length plus ONE INCH (it will stretch a bit when it's braided)--Lulu's head is 16/5 inches, which took up to the armpit of that shirt.
-Tie ends in a knot.
-Braid tightly.
-Tie the end in a knot, use as much space for braiding as possible.
-Hand sew or sew with a machine the ends together (before the knot)
-Cut the two knots
-Voila, you have the hippy chic band.
If you chose to add cuteness, just cut a bunch of circles, sew on buttons, or for some real hippy chicness, add some fun feathers!
-Find other purposes to reconstruct the remains.
For example, the sleeves of the above shirt will soon be matching leg warmers for the Lulu and I'm about to make myself a matching band as well!
On an ENTIRE different level...I'm in desperate need for some recommendations for BPA-Free sippy cups. Honey doesn't take well to the Born Free sippy we have and we don't have room in the budget to try different types...any recommendations out there? She is currently drinking her water out of a Born Free bottle as I have yet to be able to solve this problem.

Thank you kindly!