Gee. I would think she would have concealed them in her vagina or her rectum. That seems to be the most popular place to carry contraband.
When I was stationed on a destroyer out of Long Beach California, we were told one morning at muster that a sailor from our ship had gotten into a bar fight and when he hit someone with his illegally possessed brass knuckles he actually broke all four fingers on his own hand. Needless to say disciplinary action followed. Oops! lol