Memory Tear

A Memory Tear is a torn cloth that can be used to filter tears and collect them in a container, typically a ceramic bowl. Tears filtered through the tears hold the memories of the events or thought that they were shed over. The liquid can then be imbibed by either the user themselves or somebody else. If they are imbibed by the owner of the tears, they will forget the memories. If they are imbibed by somebody else, they will share in the memories as if they experienced them themselves. 
Memory Tears can be used in junction with onion spice to make the user capable of crying over just about anything that they are thinking of, making them capable of forgetting or sharing just about anything.