Complex sentence: Some scholars believe that this is proof that the instrument was originally a shamanistic instrument, as the staffs of shamans have a horse similarly carved on top; the horse is a much-revered animal in Mongolia.
Split into simpler sentences: Some scholars believe that this is proof that the instrument was originally a shamanistic instrument. The staffs of shamans have a horse similarly carved on top; the horse is a much-revered animal in Mongolia.