Nothing in this chapter shall be deemed or construed to prohibit in said city the selling, giving, lending or furnishing to any person under the age of eighteen (18) years, upon the written consent of the parent or guardian of such person, any article mentioned in sections 3-7-0 and 3-7-1 of this chapter; not to prohibit any such person under the age of eighteen (18) years from having in his or her possession, care, custody or control any article mentioned in section 3-7-2 of this chapter in the event that such possession, care, custody or control of such article is had with the consent of the parent or guardian of such person and is under the direct supervision and control of some adult person; not to prohibit any such person under the age of eighteen (18) years from firing, discharging, shooting or operating any article mentioned in section 3-7-2 of this chapter when such person is accompanied by, and under the direct care and control of, some adult person and is engaged in hunting any wild game or predatory bird or animal which may be lawfully hunted and killed in said city, or is lawfully engaged in shooting at any inanimate target, or trapshooting device, while accompanied by and under the direct care and control of some such adult person. (1960 Code)