A chinband, or chinstrap, is a piece of equipment that is used to secure something onto the chin. There are various synonyms that can describe this protective gear. Some of them include jaw guards, mouth guards, facemasks, face shields, and chin protectors. These terms are used in different contexts, such as sports, military, medical, and construction. They are also available in different materials, such as plastic, leather, cloth, and metal. The purpose of a chinband is to provide safety and support to the wearer, whether it's to prevent facial injuries, stabilize headgear, or enhance breathing. Overall, a chinband is an essential accessory that is used widely across many fields.