blowing horn
blowing horn is a natural horn.
Also recorded as Rog.
Overview
Natural horn instrument.
In detail
Materials recorded for it are Horn.
Sources
Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.
reference work · Reputable secondary · Wikipedia
“Blowing horn”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q2665724: blowing horn
Consult the source