JoJo's Bizarre Encyclopedia

Jail House Lock

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Jail House Lock
JailHouseRock fullbody
Japanese Name ジェイル・ハウス・ロック
User Miu Miu
Namesake Jailhouse Rock (Richard Thorpe 1957 motion picture)
Jailhouse Rock (Elvis Presley song)
Manga Debut Vol. 74 Ch. 690
Jail House Lock (1)
Destructive Power None
Speed C
Range B (Wall in the Green Dolphin Street Prison)
Durability A
Precision None
Developmental Potential None

Jail House Lock (ジェイル・ハウス・ロック Jeiru Hausu Lokku?) is the stand of Miu Miu featured in Part VI: Stone Ocean.


Jail House Lock is a humanoid Stand with a brain-like head, an emaciated body and conical arms. Its body is patterned as though with stitches, including patterns on the chest resembling those of denim pockets.


Cycling Short-term Memory Loss: Jail House Lock has the ability to cause a person of Miu Miu's choice to be able to retain a limit of 3 items in their short-term memory. If the target of Jail House Lock learns a fourth "thing", they will forget the first thing they learned. The target may continually learn new things at the cost of forgetting the first item. However, long-term memories attained before Jail House Lock's influence remain.



  • Jail House Lock's appearance could reference techniques of discipline or torture related to prison such as solitary confinement, starvation and mutilation. In theme with Araki's choice of designer names for many characters in Stone Ocean, it could also refer to anorexia nervosa, as is occasionally accredited to fashion marketing.
  • Jail House Lock's effects on Jolyne Cujoh bear similarities to Christopher Nolan's film Memento (2000).
  • The pattern on Jail House Lock's body in its resemblance to denim stitching may reference historical U.S. prison uniforms, as featured in its motion picture namesake.


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