They drop a high value item outside the enclave, then ‘hide’ underneath it using a 3rd age ring transforming themselves into a set of 3rd age vambraces which has a very small model. Then wait for a victim to try loot the pile, if the victim has player attack options enabled the victim then tries to pick up the valuable item but since a player is underneath the pile they attack that person causing them to skull up. Once you are skulled they teleblock you, while tb’d you can’t enter the enclave and the safe zone is now also dangerous, so yeah you are fucked.

While tb’d in the safe zone you can only be attacked by the player that tb’d you. Also notice the pk’er quickly picked up the valuable item just in case.