LightInTheBox offers this Wall Mounted Bottle Opener for $1.99. Coupon code "BEEROPENER" cuts it to 69 cents. With 19 cents for shipping. It includes mounting hardware. Deal ends September 1.
Note: This item ships from China and may take two to three weeks to arrive. Uncheck "Add Shipping Insurance to your order" during checkout to remove the 49-cent fee.
lightinthebox.com:
http://www.lightintheb