Unique design: the unique shape design, butterfly type bottle opener, is your good helper, The bottle opener looks like a butterfly knife when closed, but is only a bottle opener. You can practice without harm. High quality materials: The stainless steel beer bottle opener is made of high quality stainless steel, and the metal surface is specially treated to not scratch your hands. Delicate and smooth. Excellent feeling and appearance. Easy to to use:Small and light,perfect balance of the butterfly knife’s weight and perfect center of gravity to ensure you can swing it smoothly,such a chic and innovative design. Package includes: you will get 1 white corkscrew and 1 black corkscrew, improve and develop your butterfly knife style flap knife skills. The handy Butterfly Knife Trainer is the perfect tool for any wine lover, waiter or bartender, this wine opener is an ideal tool.