Insignia of the Horde is a rarequalityPvP reward that removes all movement impairing effects but does not prevent them from being reapplied. Usable even if the effect would normally prevent trinket use.
Patch 2.3.0 (13-Nov-2007): Insignia of the Horde now clears the debuff from Judgement of Justice.
Patch 2.1.2 (2007-06-19): Insignia of the Horde has been redesigned. The trinkets for all classes now have the same effect: Dispels all Movement impairing effects and all effects that cause loss of control of your character.
/Patch 2.0.1 (05-Dec-2006): The access method for purchase and NPC vendor changed with the change to the PvP rewards system, from the rank based system to the current system, now using Honor Points.