Featuring a very thick and heavy construction, this butterfly beverage opener is an ideal tool for butterfly training and will help you learn to flip like a pro. Providing a user with seamless balance when flipping, the tool has a harmless 3.625 inch stainless steel blade in a satin silver finish and comes complete with a locking catch to secure the butterfly in place where you need it. Useful to open beverage cans, plastic bottles and/or glass bottles (which are the three most common beverage containers), multiple prongs are available to allow the opening of multiple items at one time. Living up to its name as a multi tool, the blades tip doubles as an emergency screwdriver. With this kind of enhanced functionality, this is the perfect practicing tool to improve your butterfly skills! The Balisong, also known as a butterfly knife, fan knife is a folding pocket knife with two handles counter-rotating around the tang such that, when closed, the blade is concealed within grooves in the handles. Balisong trainers feature a special blunt and unsharpened "blade" and are legal in areas where balisongs are not.