Use a G hook, 4.0 or 4.25 (both would work), gauge is not important for this project. I just used acrylic worsted weight yarn.
Row 1: Chain 81
Row 2: SC in second CH from hook and in the next 19 CH stitches. (Should be 20 SC total) CH 40. Skip 40 chain stitches on the base chain and SC in the next 20 stitches. This should bring you to the end of the base chain. CH 1 and turn.
Row 3-5: Repeat Row 2. You should now have 5 straps. At the end of row 5, Chain 4 and single crochet in the first stitch of row 1 creating a button hole at one end of the headband. (May need more or less CH depending on the size of your button.)
Sew a button on the other end of the headband. The headband is cute as is with just the straps, or you can make a flower to add on it. The flower gets sewn on either side where the SC & CH stitches meet. The flower will sit on the side of your head and the button closure will sit at the base of your neck.
OR to make it really versatile, stitch the flower (or bow) onto a snappy hair clip! That way it can be worn with or without the flower.
You can use any flower you like. Personally, I like the button-flower from creativeyarn's flower necklace
Hope you like it! I'd love to see how yours turn out too!