MRTV demonstrates how to make a scarf necklace. Making a scarf necklace is very easy and doesn't require cutting, sewing or altering. If you know how to tie a knot and you have a scarf then you can make a scarf necklace. Fold a square scarf into a triangle. Take the tip of the triangle and fold it in. Roll the scarf up and knot it loosely in the middle. Make knots in the loose ends of the scarf, using your desired length to determine how many knots to make. Tie the ends of the scarf together to complete the scarf necklace.