In heraldry, the blanket is a rare and unconventional charge, and when it appears it is most often associated with provision, protection, shelter, and domestic responsibility, rather than with the more traditional heroic or martial meanings of common heraldic symbols. Its significance would usually depend on context, possibly reflecting a family trade, a canting reference to a surname, or a practical emblem linked to hospitality, household care, or local industry such as weaving or textile production.

Because heraldry often drew on objects from daily life as well as on animals and weapons, the blanket serves as a reminder that coats of arms could express not only status and combat, but also useful work, comfort, and the material culture of a household or community. Specific historical examples are difficult to identify, which suggests that the blanket is far less common than other textile-related charges such as looms, shears, or garments. Even so, its rarity gives it a distinctive character, and in heraldic interpretation it may be appreciated as a symbol of guardianship, generosity, and the ability to provide warmth and security. In that sense, the blanket reflects the broader reach of heraldry, where even humble objects could be elevated into meaningful signs of identity and service.