As anyone who has lugged around a bag full of gear at an event will tell you, every ounce you can save is paramount. Photographer Les Tirmenstein thinks he's come up with a lighter, easier to stow flash diffuser, and he's looking for help to fund it. Dubbed the FlashPipe, this diffuser is held in place simply by a silicone band that slips over the flash itself, and weighs next to nothing.