Gauntlets of Ogre Strength [requires attunement]
If you fail a Strength check or save, or miss with a Strength-based attack while wearing those gauntlets, you may expend a charge to reroll that check, save or attack. For the purpose of the new roll, treat your Strength score as 19.
Gauntlets of Ogre Strength have 4 charges, and regain 1d3 charges each day at dawn.