Can آپ carry a mafia gun in a trombone کے, ٹرومباونی case?

I have these 2 charecters based of the mafia and on of themn plays violen and I already have a charecter who plays گٹار so I thought the other one could play trombone کے, ٹرومباونی but I don't know if mobsters can carry there guns in trombone کے, ٹرومباونی cases.