(1) Broken remnants of molluscs may only be taken--
(a) by hand; or
(b) using hand-held implements that are not mechanical implements; or
(c) if stated on the licence, using mechanical equipment.
(2) Molluscs, other than broken remnants, may only be taken--
(a) by hand, without using digging or sieving implements; or
(b) if stated on the licence, using shell dredges.