I rarely use the website "BillionGraves" but do have a free account. So, that is my reason for not sharing more links from "BillionGraves", however, "BillionGraves" has a Blog and its post of August 6, 2019: "Military Flag Holders at the Cemetery"caught my eye as one to spend some time reading and sharing with others.
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You can check with the local county Veterans Services Office in Ohio about obtaining a veteran flag holder if one is permitted at the cemetery where the veteran is buried.