Yarn in burgundy for Gryffindor, yellow for Hufflepuff ... Repeat from * to ** until the scarf is the desired length. Knit 20 rows in MC. Bind off, weave in ends and sew the ends of the scarf ...
Maroon and Gold are the colors of Gryffindor house, and you'll need to show them off on the tie, scarf and robe. Start out with a gold tie. Use red fabric paint to add the lines on the tie.
For extra charm, wrap yourself in a Gryffindor scarf and don't leave home without your trusty wand and broomstick. To recreate Hermione's look, raid your closet for a white collared shirt ...