A BOLO tie is a type of necktie that consists of a piece of cord or leather with decorative metal tips, usually in the shape of a slide. An ASCOT tie is a type of necktie that is tied in a wide knot and usually made of silk. A BOW tie is a type of necktie that is tied in a BOW shape and is usually made of silk or satin. A WHITE tie is a type of necktie that is worn for formal occasions and is usually made of WHITE cotton or linen. A clipon tie is a type of necktie that is attached to the shirt collar with a clip and is usually made of polyester. A fourinhand tie is a type of necktie that is tied in a simple knot and is usually made of wool or cotton. All of these types of ties are considered to be a kind of tie.