S.C. Code Ann. § 50-5-750: Crab trawling equipment restrictions; penalty.

It is unlawful to trawl for crabs with equipment with a mesh of less than four inches stretched, and chafing gear of any sort must not be more than one-half the circumference of the tailbag. A person who violates this section is guilty of a misdemeanor and, upon conviction, must be fined not less than two hundred dollars nor more than five hundred dollars or imprisoned for not more than thirty days.