The Weirdest Contraband The TSA Confiscated In 2016 These happy little throwing knives were discovered in a carry-on bag at San Diego These happy little throwing knives were discovered in a carry-on bag at San Diego (SAN). All knives, whether happy or sad, are not allowed in carry-on bags. Please place them in your checked baggage. A photo posted by TSA (@tsa) on Dec 13, 2016 at 3:18pm PST Pages: 1 2 3 4 5 6 7 8 9 10 11