Mutagen Collar

The Mutagen Collar is a device made by the Shredder to ensure that Barney couldn't betray him again.
== Appearance ==
It is an explosive, metallic collar with Mutagen containers strapped around it, which was used on Barney Stockman in order for him to not betray The Foot Clan once again.
== Skills & Abilities ==
Detonate Mutagen containers to mutate the user of the collar.
== Users ==
* Shredder