While the exchange of material goods and techniques is thought to be the main reason for the existence of exotic materials at Jomon sites, it is not clear what kind of exchange occurred. I propose that feasting could be one of the reasons for the diffusion of material goods and even techniques. As feasting is connected to activities such as exchange and ritual, feasting remains could be an indicator of exchange. This paper uses exotic materials and feasting remains to analyze the distribution of goods, using ethnographic data related to ritualized exchange and feasting.