SWAT Kats

Collars developed by Dark Kat that could induce pain in the Metallikats. He used these devices to control them, which built up their resentment to the point that Dr. Viper was able to renegotiate a deal with them and secretly remove them in the event of needing to turn on Dark Kat – an act that proved necessary when Dark Kat ordered the Metallikats to kill Dr. Viper.

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