Maybe it's the oddness of the thing: who in their right mind would wear a tie with a bucking bronco on it, or a steer's head, or leather stitching along the edges?
click image to enlarge
I guess it's the character of the tie, character that few others have. Few ties today have character like the mid-1950s tie shown above. It's tastefully artful and fun without being grotesque, absurd, or childish like so many modern novelty ties.
Not to mention it grabs the eye like none other.