This feat grants you the ability to roll or bend you tounge into interesting positions
N/a (apart from having a tounge of course)
You can bend you tounge into interesting shapes, which grants a +2 bonus to interactions with those who find that interesting.
Some people simply don’t care about your amazing talent. Showing them this ability has a 1 in 6 (A 1 on a 1d6 roll) of boring them to tears, granting a -2 penalty to social interactions with them until you go away.