[Bonetools] bone objects

[Etan Ayalon]

Dear all,
Here are some bone rings found in Jaffa, Israel by the Israel Antiquities Authority in a context of - probably - the beginning of the 20th century. In that time Palestine was already rather modernized, especially a port city like Jaffa. The objects could have been imported, mainly the large ring.
Does anyone have any idea about the use of these rings, any parallels?
Etan

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