Wardruna - Tungehorn / Tongue-horn is a reed-blown goat horn. It is known as the Shepherds clarinet. You can hear the instrument in action on songs like “MannaR - Drivande” and “Dagr”.
WAG - Goat Horn - Small – dogthings.co
Medium Goat Horn - Robbos pet barn
Goat Horn - Champion Dog Products
Bukkehorn- Deep Viking War Horn - Made in USA - Evergreen Instruments