Gel droplet that can be stuck on the neck under the ear/jaw. When applied the gel droplet melds into the skin. To remove, pinch the skin around it into a bubble to squeeze the gel drop back out.
The droplet gives the bearer the means to create a telepathic bond with one other person over great distance once per day (about two days walk in a straight line). The bond will last for one minute plus two minutes per holder level.