- Name: Kumo Sōkai, 蜘蛛巣開, literally "Spider Web Unfold" English TV "Ninja Art: Spider Web Net"
- Type: Hiden, No rank, Supplementary, Short to mid-range (0-10m)
- Users: Kidomaru
After gathering his spider thread into a ball in his hands, Kidomaru releases it in the form of a large spider web to catch his opponent. Once the target touches the thread, its stickiness will hold them in place.