V for visibility

After the popularity of the Occupy series of protests in the web and Anonymous being a cultural touch-point, making a V for Vendetta-themed bandana that provides practical advice to Occupy Wall Street protest participants makes a lot of sense.

It’s advice covers: legal advice, basic first aid and pointers on general safety.
v bandana
It’s also really nicely designed.

However if I was an enterprising law enforcement official I’d look to get the payment information of each purchaser as they could be potential miscreants. More here.