as per this Quick Fingered DnD 5E Feat all of your nimble fingers and even the agility which may let you do perform the sleight of hand. You can get the below mentioned benefits:
- You can easily increase your Dexterity score by 1, up to a maximum of 20.
- You can also gain the proficiency in the Sleight of Hand skill. Perhaps, if you’re already one of the proficient in that particular skill and also you may add double your proficiency bonus for the checks that you make by it.
- So, as a bonus action, you can easily make a dexterity (Sleight of Hand) check to a plant something o someone else, also even conceal an object on the creature, lift a purse, or take something from a pocket.