Sec. 371.179. DISPLAYS OF CERTAIN WEAPONS PROHIBITED. A pawnbroker may not display for sale in a storefront window or sidewalk display case or depict on a sign or advertisement in such a way that the item, sign, or advertisement may be viewed from a street: (1) a pistol; (2) a dirk; (3) a dagger; (4) a blackjack; (5) a hand chain; (6) a sword cane; (7) knuckles made of metal or any other hard substance; or (8) a switchblade, springblade, or throwblade knife. Acts 1997, 75th Leg., ch. 1008, Sec. 1, eff. Sept. 1, 1997.