and Team Rocket had one too in the Orange Islands. Colress's device in the Episode N arc of Pokémon: The Series.The Consideration Console in Magical Girl Lyrical Nanoha StrikerS was implanted in Lutecia by Jail Scaglietti so that someone like Quattro could override her thoughts, should the need arise.In Elfen Lied, Mariko's four clones and Lucy's half-brother have mind-control devices implanted in their foreheads that prevent them from being evil Diclonii and makes them perfectly controllable.Several gadget of Doraemon have this power, each one operating differently.One shows up in episode 7 of the Dirty Pair TV series to control Joanca.Ken remedies this issue by putting three Dark Rings together to form a Dark Spiral, which is able to more easily control Ultimate levels. However, they're only effective on Digimon from the Champion level below and do very little to control Ultimates, as seen with Andromon and especially SkullGreymon. Anyone captured by these becomes his slave, including partner Digimon like Greymon. Digimon Adventure 02 has the Dark Rings made by Ken during his reign as the Digimon Emperor.Everyone infected with these become Brainwashed and Crazy minions of Devimon. While it's not its intended purpose, in Death Note, Light realizes that the Death Note rule of being able to specify the circumnstances behind a person's death can effectively be used to control their mind until the moment they die.It allows the manipulator to observe and influence the wearer with the amulet to the point of mind control. Battle Club has the NOB Bracelet an amulet that contains the manipulators ki in a charm.Super-Trope of Subliminal Seduction, Hypno Ray, and Hypno Trinket. May require the target to be Forced to Watch a transmission of some kind. See also: Power Perversion Potential for the inevitable result in some viewers. May be the result of televising a person with the power of Hypnotic Eyes. See Mind Control, Mind-Control Eyes and More than Mind Control for the effects of these devices. That bracelet the street vendor gave you? Welcome to the most dangerous cult in the world. D's BrainWashing Shampoo and Cranium Rinse. That mask that looks so good on you? Hope you can control the demonic power inside. That sword you just picked up? Hope you like being a slave to the evil overlord. While these devices tend to fall into two general categories, either broadcasting 'hypno-waves' at any luckless viewer for a one-time treatment, or are somehow attached to the victim's body (usually the head), they ultimately know no shape and can come in nearly any specific form:

It has been used countless times in stories across many different types of media, whether it be as a Plot Device, MacGuffin, and even a key part of a Very Special Episode. This is the device that the villain (usually) will use to keep the hero, townspeople, or Mr./Mrs.

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