I purchased this out of desperation for my first son. Nothing seemed to work, not even the teething tablets. I noticed a friend of mine’s daughter was chewing on hers happily so I went searching for it. They are not easy to find but I saw one lonesome pink one at BabiesRus. Now it seems that they don’t sell them anymore. It has three different angles to chew on and when he bites down it starts vibrating. My newborn loves it. It also shakes like a rattle so can be used as a toy. it’s $8.99 and worth every penny.