 In southern Poland it's called "trombita", "bazuna" in the North and "ligawka" in central Poland.Used primarily by mountain dwellers known as Hutsuls and Gorals in the Carpathians, it was used as a signaling device to announce deaths, funerals, weddings.The tube is made from a long straight piece of pine or spruce (preferably one that has been struck by lightning) which is split in two in order to carve out the core.