Make your bartender happy and visit Walmart and Amazon for the Jo bottle opener. This hand held bottle opener Spelt JO for Just Open even fits in your wallet. You might find it in Home Depot if you are looking for a bottle opener made in titanium and is small enough to easily fit into your key chain. It may not be wall mounted but who cares when it is efficient enough at such a small size. It will outlive you and is a talking point for being unique. Take the J to open bottles and the O to slide into any key ring.