Have a look at the following cool and unusual bottle opener that will feel comfortable in your wallet. The Wally, that is the name of this cutie comes in the exact size of a credit card and weighs not more than 1 ounce. The following opener will be great for travelling (except air-travelling, because the opener is made of stainless steel), picnics, parties and so . You can buy it here – the opener costs – $ 13.95.