Archer's Asset

While wearing these bracers, you are proficient
with all bows and crossbows, and you gain a +1
bonus to damage rolls on ranged attacks made
with such weapons.
Once per day, as a bonus action, you may expose
any chinks in the armor of a target creature.
All ranged attacks made with bows and crossbows
against the target may add a d4 to the attack roll
for one minute.
Requires Attunement.