Proficient?

add 1 to your charisma score to a max of 20

When trying to convince someone that you are good at something, you do it with advantage. if you successfully convince someone, they will not question you if you fail.

if you use this feat to convince someone that you are good at tools you are not proficient with it, if you succeed the check 5 times in a row, you become proficient with that tool.

i know what i am doing, now.