Armbands of Grit

A pair of fingerless armbands, designed to give the user a better grip on what they hold and themselves. While wearing these armbands you can, as a reaction, add double your proficiency bonus to Strength checks or saving throws. You can do this a number of times equal to your proficiency bonus. You regain all uses of this item at dawn.

Notes: Advantage: Strength Ability Checks, Advantage: Strength Saving Throws