Shomer-Tec SHNK Covert Nickel Knife Hardened stainless steel blade concealed inside a US nickel Potentially lifesaving tool for undercover operatives and even civilians traveling in hostile regions Blade can cut plastic zip-ties, cord, duct tape, etc To deploy the blade, run your fingernail along the nickel's side clockwise with the "heads" side up, and the blade pivots out ready for use Made in USA