Carnival celebration in Alsasua, its protagonists the “momotxorros”, a character half man, half bull, are characteristic because they wear their sonorous cowbells, animal skins, almost always sheep, white shirt, blue pants, abarcas and their unmistakable masks with horns, to look more terrifying they stain their arms and face with blood, they carry a wooden sarde that serves to terrify everyone who goes to the carnival.