I made one of these curtains for my secret den because I am poor and cannot afford to buy curtains, although not rich in currency I am rich in junk and creativity ;) additionally these curtains are great for places where you can't put up a proper curtain rail.
You will need:
Fabric (the size of the hole you intend to cover or bigger)
Screws ( x2 )
Optional but usefull extras:
Eyelets and eyelet pliers
Swiss army knife and/or other cutting impliments
Step 1: Make holes in fabric
I advise you make the holes about 10cm / 4inches apart, but you can make as many or as few as you want.