When he is Lord of the Dreadfort he'll have ruby rings on his fingers.
Written for Porn Battle XV, prompt "garnet".
Additional warnings apply for... possible underage? This takes place prior to Ramsay's canon appearances, around the time of Domeric's death, but Ramsay's canon age isn't given; assuming he's around Theon's age in later canon, this might put him under 18. There's also the usual Bolton/Ramsay-specific nastiness, not graphic but grisly, and consent issues.