- "We searched the Floor for the severed hand, but we never found it. All we found was a graceful curve in one piece of rusted steel, where the molecule went through. Its edge was bright as new chrome."
- —Johnny
A molecular-thick thread that can cut everything, used as a weapon.
Shinji must had got this modification in Chiba City: part of his left thumb was replaced with a prosthetic tip, and filled with a spool of three meters of monomolecular filament. He could throw and whip it around and cleanly amputate everyone, or swing it in front of him as a shield.