Barrister's Wig

This decorated hairpiece rests flat atop the wearer's head. While wearing the wig, you gain a +5 bonus on Investigation and Persuasion checks. In addition, as an action you can make an impassioned plea to up to 6 creatures of your choice within 30 feet that you can see, hear, and can understand you. Each target must make a DC 13 Wisdom Saving throw. On a failed save, the creature is stunned. The creature is stunned. The stunned creature must make a Wisdom saving throw at the end of each of its turns. On a successful save, the effect ends for that creature. 

The effect also ends for all targets if you or your companions attack a creature stunned by the wig. or cast a spell that affect an affected creature. Creatures that can't be charmed are immune to this effect. 

The wig cannot stun another creature until the next day.