Q&A for How to Knit a Headband

I wouldn't recommend putting anything you knit in a mechanical dryer, since that's going to be very hard on the fibers. It can even cause certain stitches to come undone. If you want to dry the headband, lay it flat and let it air dry.

Acrylic is great because it's inexpensive, it's durable, and it holds up in a washing machine. Wool tends to be "fancier" but caring for wool clothing can be extremely complicated, and there are all kinds of considerations depending on the type of wool it is. If you're new to knitting, I'd go for acrylic.

Knitting all rows.

Slipping a stitch is pushing the cable needle through a set amount of stitches on your knitting needle and pulling them off.

When instructions are given to knit stitches from a cable needle, this means that the cable needle acts as a knitting needle and, in this case, three stitches are knitted off the cable needle instead of the regular needle.

Cable cast-on is when you use your needles, not your thumb/finger to cast-on stitches. This method is less simpler but stronger than backwards loop cast-on. There are wikiHows for both methods.