Benefits of Yoni Eggs: 
Increased natural lubrication , enhanced sexual pleasure , strengthened pelvic floor , tightening abilities & core muscle development.
Benefits of Black Obsidian:
Surrounds the user with a shield of energy to block negative energy . A very protective stone. Cuts emotions cords making it easier for us to move on . Black Obsidian is deep soul cleansing , growth , grounding , energy protection , release negativity and gaining power . 
. To cleanse place in sea salt over night . To charge place in Sunlight . Use Yoni wash to clean before and after each use . 
(It is IMPOSSIBLE for a Yoni egg to become stuck as it cannot go past your pelvic floor ) .