90. Don’t play the shell game on Paltraeth. They use a different kind of shells.145 Things Not To Be Done In The Associated Worlds
The Paltraeth variant of the game is played using three obsolete artillery shells and a sledgehammer. In theory, one of the shells has been defused, and the challenge is to find the dud. In practice, this is a con trick with extra concussion.
It is inadvisable to play this variant without quality armor and a current mind-state backup.
– A Star Traveler’s Dictionary