Gloves of the Dextrous Duelist

Recharge: 
11+
Description: 

While duel-wielding in melee, on a natural 16+ on your first melee attack for the turn, you may immediately make a melee attack with the weapon in your other hand using +10 as your attack bonus.

Quirk: 
Writes with both hands at the same time on different parts of the page. It freaks people out