Lock Down allows Ken to lock objects into a particular point of space, turning the touched object effectively immobile.
Lock Rock activates this Quirk through protrusions on his fingers that resemble key teeth. The Quirk is useful for stopping moving terrain, at least to a certain point.
The Quirk has a limit in terms of object force and size. It also does not affect living beings.
- Deadbolt: By touching a nearby surface and performing an 180° spin with his hand, Rock Lock secures his immediate area down in a point of space. It is first used against Joi Irinaka.