A kynodesmē (Greek: κυνοδέσμη, English translation: “dog tie”) was a cord or string or sometimes a leather strip that was worn primarily by athletes in Ancient Greece and Etruria to prevent the exposure of the glans penis in public (considered to be ill-mannered) and to restrict untethered movement of the penis during sporting competition.



I erred on the side of caution. Not everyone is an ancient greek.