A strange head of unknown origin carved from archtree. It speaks when thrown on the ground
This head says "Thank you". Have another look. Is this not a face of gratitude.
When used it will say 'Thank You' for any Unkindled in your vicinity.
Can be obtained from Pickle Pee in return of an Hidden Blessing (only once per NG)
Note that in Dark Souls 3, you do not need to reload to complete the trade. Dropping the item inside the nest is sufficient.