This item was crafted by an ancient elvish monk. When he crafted these necrotic cloth wraps he imbued them with magic which enhanced the innate abilities of any monk who wear them. When he died, the item was thought to have been lost to history.

while attuned to this item, you gain 2 additional ki point slots.

you may spend 2 ki points as a free action to sheathe your fists in a necrotic energy. Until the start of your next turn, your unarmed strikes deal a bonus 1d6 necrotic damage.

After Every successful hit with your fist, it allows the user to take 1d4 damage to heal himself or any one other willing living creature within 60ft for for 1d6 health. 

Notes: Damage: Acid, Bonus: Hit Points, Replace Damage Type: Necrotic, True, Monk Class