Adrenal-Line has invented a remarkable alternative to the out-of-date and inhumane techniques that can damage or destroy your trophy bird. The Finisher® is a patented device that has been successfully tested in the field for years and continues to hold true to its name. The Finisher® method will kill any bird instantly using a small amount of pressure where the back of neck and base of the skull meet. At the size of a quarter, it can easily be worn on your lanyard, vest, jacket or any other hunting gear. Brass Color.