Such data are now collected automatically using collars placed on individuals that transmit through satellites or using mobile cellphone technology and global positioning systems (GPS) technology, at regular intervals.

It is revealed that the collar placed on the Dark Professor X actually killed him.

As Powell turned, he felt two hands at his elbows, and as he struggled, he felt a collar being placed around his neck and locked, and his hands were shoved into shackles and pulled down behind him.

However, as soon as mutants travel there, they are captured and fitted with power-negating collars placed around their necks; they are put to work building Sentinels for the Genoshan government, under the direction of Bolivar Trask, Cameron Hodge, Henry Peter Gyrich, and a government official known as "the Leader."

Dark Kat had special collars placed on the Metallikats' necks which give them a shock when they don't do what Dark Kat says.

He is dressed in "cool" attire, sporting an open-button collar and denim jeans, placed outside the Fairmount Historical Museum.

State criminals were subjected to the karkan, a triangular wooden collar placed around the neck.

The breast plate is in turn, joined to the diver's dress by having the holes in the collar placed over bolts on the breastplate, and then being made water tight with wing nuts which compress brass rails (also known as brailes or brass straps) against the collar.

In order to prevent further injury, such patients may have a collar placed by medical professionals until X-rays can be taken to determine if a cervical spine fracture exists.

Eris is unable to disable the field telekinetically because of a collar placed around her neck.