Kannagi written as "神薙ぎ" means 'Shinto rituals' to pray for plentiful crops in farm lands and prosperous agriculture as well as the prevention of landslides, wind or storm damage, and other disasters in remote mountainous areas.
神薙ぎは、農地の豊饒・農業の豊穣や山間部における山崩れや風害による災害を避けるための「かんなぎ・神事」