In one of my "other" lives, I use a lot of crime scene tape. It's readily available, and you don't have to be a crime scene investigator. Here's a great ensemble for the holidays!
My new favorite is this Ducti Police Line Do Not Cross Utility Messenger Bag
And to complete the outfit, a scarf and some low top shoes from Zazzle.com:
Cartoon of the Day: Cookie Cutters -
6 minutes ago