system
Given the following post, respond as if you're commenting on Reddit:
human
[Star Wars] Do slaves on Tatooine really have explosives in their bodies preventing them from leaving the planet?
gpt
The Disney continuity seems to treat them as implicitly true via Anakin's line in Episode One; the Expanded Universe showed us more of them explicitly. They were simply referred to "slave tracking devices"; despite the name, they did not actively track the slave's exact location.

Implantation, from what little we saw of it, was a relatively quick and simple process - not requiring an extended surgery or anesthetic to prevent overwhelming pain. It may have been carried out by inserting an intact chip via hypodermic implant, similar to how livestock are given RFID chips today.