An Ottawa man is facing charges after being stopped by Canada Border Service Agency guards at the Prescott/Ogdensburg bridge on Sunday.
25-year-old Jun Shao was taken into custody.
Grenville OPP - who assisted with the investigation - say it's believed brass knuckles were confiscated along with heroin and other drugs.
Shao is charged with unauthorized possession of a weapon, and possession of drugs for the purpose of trafficking.