Alley-fighter's Karambit
A short curved blade with simple wooden handle scales, able to be hidden in the hand. It can be wielded in several different ways and is used to attack an opponents joints and weakspots with devastating efficacy.
You gain a +1 bonus to attacks and damage rolls with this magic weapon, which has the Finesse property. When you hit an enemy you have already hit this turn with this weapon, you deal an additional 2 (1d4) damage.