This is a cool looking design for beer coasters, they are made from maple wood, come in a set of four to prevent arguments and best of all they have a built bottle opener too. Simply check the side to find the metal plate, insert a bottle and pull up to remove the cap in spectacular style.
These are the features for the Brooklyn Brew Shop style coasters;
Overview: Prevent unsightly rings while assuring a steady flow of opened brews – Classic coaster crafted from rich maple wood by Brooklyn Brew Shop – Complete with a hidden bottle opener along the back! Topped with the BBS’s logo – Set of 4. Measurements: 3.5″ l, .5″ w, 3.5″ h
These brilliant looking beer coasters cost $30 (£19) for a set of four.
Source [Cool Material]