Adamantine Sealing Chains

A jutsu unique to Kushina Uzumaki, she is able to mold her special chakra into chains which can restrain targets. With it, she was able to restrain the Nine-Tailed Demon Fox in Naruto Uzumaki's mind, and trip it up. These chains also made up Kushina's seal, pinning the Nine-Tails down with several spikes in her mind.

While she was near death, Kushina was able to use these chains in the physical realm and restrain the Nine-Tails, enabling her husband, Minato Namikaze to use the Dead Demon Consuming Seal.