Section 12. Whoever manufactures or causes to be manufactured,
or sells or exposes for sale, an instrument or weapon of the
kind usually known as a dirk knife, a switch knife or any knife
having an automatic spring release device by which the blade is
released from the handle, having a blade of over one and one-half
inches or a device or case which enables a knife with a locking
blade to be drawn at a locked position, any ballistic knife, or
any knife with a detachable blade capable of being propelled by
any mechanism, slung shot, sling shot, bean blower, sword cane,
pistol cane, bludgeon, blackjack, nunchaku, zoobow, also known
as klackers or kung fu sticks, or any similar weapon consisting
of two sticks of wood, plastic or metal connected at one end by
a length of rope, chain, wire or leather, a shuriken or any
similar pointed starlike object intended to injure a person when
thrown, or a manrikigusari or similar length of chain having
weighted ends; or metallic knuckles or knuckles of any other
substance which could be put to the same use and with the same
or similar effect as metallic knuckles, shall be punished by a
fine of not less than fifty nor more than one thousand dollars
or by imprisonment for not more than six months; provided,
however, that sling shots may be manufactured and sold to clubs
or associations conducting sporting events where such sling shots
are used.