[GulfBreeze]

Sorry... One other point. A true G-String does not cover the anus. It is a subset of the “thong” having only a string for a waistband, a small triangular piece of material covering the genitalia region of the pelvis and another string connecting the rear center of the waistband string to the bottom of the genitalia covering triangle.

Obviously, a string cannot cover an anus unless your anus (sphincter) is less than 1/8” across.

Some thongs do cover the anus but G-Strings simply pass across the anus.

[goseminoles]

In all reality, the anus isn’t visible on a nude person. And since when is the anus genitalia? I don’t think the article states anything about anus, rectum, or colon being exposed. The guys butt was showing which is probably contrary to a local ordinance. The end of the article implies the dudes testicles(balls, boys, nuts, etc) may have been exposed.

[Hodar]

Florida beaches, such as Daytona have minimum widths published for acceptable beachwear. If memory serves, they are requiring that the string in question be a least 1 inch in width - for the explicit purpose of covering the anus. I was unsuccessful in finding the exact ordinance; but I did find this article

A police officer made the pinch, arresting Keefe and four other thong-wearing people—three men and a woman—who violated an obscure city ordinance prohibiting the revealing of, among other body parts, the "anal cleft."
Source

But, yes there are laws on the books that vary county by county, state to state; that mandate absolute measurements - lest a policeman decide what he feels is appropriate. I've seen the signs on public beaches that give the minimum measurements.