If you even want to tame one, be prepared to spend hours on it. You can reset them by knocking them out, and they will begin to latch on creatures again. Just make sure to have your tames on passive, because I lost 3 noglins just from tames accidentally kiling them. Trap em in gates, and then throw your tames in. Only attempt this with full tek armor, these things are vicious. Turtles or diplodicus, brontos work but can kill each other.