Duct Tape!

Duct tape, while always useful for holding stuff up, down, and together, can also be fashionable. Here are some of my more recent ducty crafts:

Wallet:

With ID holder, credit card slots, AND coin pouch.
More pictures: 1, 2

Messenger Bag:

Holds all my books, has clipping closers, plus internal pockets for smaller items. I used grommets. I love my grommet pliers.

More pictures: 1, 2