This stainless steel item has a decorative inlay and can be worn as a necklace or key chain. It actually has a knife inside and can pose a serious threat to law enforcement officers.
Additional articles can be found at http://leb.fbi.gov/2015/may?utm_campaign=email-Immediate&utm_medium=email&utm_source=fbi-law-enforcement-bulletin&utm_content=427661
