yeti fang necklace does a bonus to yeti's, so in short we can establish that yeti's get stronger by using parts of other yeti's as clothing and jewlery in short they are weird.
I wear the hide of my dead papa into battle, for it keep his memory close to me and gives me the courage to go on, or at times it just really pisses me off that he is gone, bezerk away
oh ya their was a discussion on cones and bombs recently that suggested removing ranks from them, if that occurs this will unintentionally kind of get what you wanted depending on if the final version is better or worse then the current cone 2.