Here's a link about a duct-tape "purse", though not the one I used but similar:
http://www.craftbits.com/viewProject.do?projectID=813
And here's a how-to make a duct tape wallet (I love mine!)
http://www.rpi-polymath.com/ducttape (that is the link I used for that one)
Here are a few more how-to make items:
http://www.octanecreative.com/ducttape/howto/