Bracers of the Beserker

Once per long rest, these bracers help you mimic a barbarians Rage
You have advantage on Strength checks and
Strength saving throws.
Melee weapon attacks using Strength, you gain a
bonus to the damage roll that increases as you
gain levels as shown in the Rage Damage column
of the Barbarian table.
You have resistance to bludgeoning, piercing, and slashing damage.