Bottle Opening Sunglasses by Moana RdThese sunglasses are a great shape, they suit most face types. The lens are polarised, so they provide superior glare protection especially on the water. But best of all, the amazingly strong arms can open bottles! They are made from titanium (the same material aeroplane wings are made from) so are robust and super strong. Sunnies that open your beer (or cold beverage) = a great summer! This could be best gift ever for someone that likes drinking in