I'm liberal in my definition of "free" here. Essentially, these materials could be free—if you're the type who hoards over-sized skeins of twine and 50-year-old sewing patterns. [Which my family does.]
Otherwise, you can spend $3 at your local Goodwill, and I GUARANTEE you will be able to find the following things:
-large spools of thread
-old sewing patterns
Then go buy your beautiful friends some Theo chocolate and wrap accordingly.
You don't need tape or scissors.
Rip the tissue paper patterns and fold the gifts over themselves a few times.
Then go to town with the string, rip it off, and tuck it under or knot it when the paper is secure enough.
Voila.
Love you guys and MERRY CHRISTMAS!