Discipliner

Discipliners were cursed rings fashioned after the rings of folly in Narfell.

Description
Discipliners were metallic bands with a round hollow circle in its center, reminiscent of a ring with a missing impeded gemstone.

Powers
Just like rings of folly, Discipliners magically and drastically reduced the wearer's natural intelligence and wisdom, rendering them drooling idiots and affected them with the feeblemind spell. These rings could only be removed with the remove curse spell, or by a capable cleric.

Appendix

 * Video Games
 * Baldur's Gate series (Baldur's Gate &bull; Baldur's Gate II: Shadows of Amn &bull; Baldur's Gate: Enhanced Edition)