Electronics and water don’t mix well. Keeping digital gear dry around water is a tricky job made perfect by an Otterbox. Bright yellow, tough as concrete, lightweight, watertight as a submarine, and padded inside, an Otterbox will keep cameras, cell phones, Palms, navigation equipment, or wallets safe and dry through rapids, splashes, or 100 feet of water. They are indestructible.
A cool tool is anything useful that is superior to comparable items. If you think this tool is inferior suggest a better one. You are welcome to insult a tool, but comments containing insults to individual people will be deleted. Corrections of fact are always welcomed, if stated politely. Recommendations of better tools are dearly wanted and may be elevated to the front page.