Dolphin Ossicles (once known as Potbelly Stones) are items in Mother 3. They only appear from Chapter 4 onwards, and other than the one that an Osohe ghost can give to Lucas and company the second time it is talked to, they can only be acquired on Cerulean Beach. The ghost will explain that they are the ear bones of dolphins and give a short lesson on them. They can be sold for 5 DP, which is their only use. Paul and Linda are said to have gone to the beach to collect Dolphin Ossicles, but Ocho is only implied to have done so through his love of beachcombing.