Fanaelialae
Legend
Climbing is usually really fun - you can be up on the roof and causing trouble in the first round of combat. Fast Hands I've also seen used creatively - great for pouring healing potions down throats, disarming traps while drawing weapons, and the like.
Per RAW, you can't use Fast hands to drink/administer healing potions.
DMG pg 141, under Activating an Item, specifically says that Fast Hands cannot be used to activate a magic item. Consuming a potion is listed as a form of magic item activation.
Pretty sure it works fine for non-magical items though, deploying ball bearings and the like.