Binding of Isaac: Rebirth Wiki
Disambig-dark.png This article is about Mom's Locket, similar in appearance to Friendship Necklace.

Added in Afterbirth

Mom's Locket is a trinket added in The Binding of Isaac: Afterbirth.



  • Having a Golden Key Golden Key or Paper Clip Paper Clip will render the trinket unable to grant half hearts from keys.
  • Having Mom's Locket while playing Keeper Keeper will restore a full health coin when a key is used.
  • Donating keys to a Key Master.png Key Master won't heal Isaac.
  • A very useful trinket for unlocking the Added in Afterbirth †It's the Key It's the Key achievement, in which Isaac cannot pick up coins, bombs, and most importantly, hearts.
  • Added in Repentance Hearts dropped from Tainted Magdalene Tainted Magdalene's mechanic will be always full red hearts.
  • Added in Repentance Tainted Bethany Tainted Bethany is granted a blood charge upon using a key.


  • Added in Afterbirth †Equality! Equality!: As long as Equality is active, all red hearts will be double.
  • Humbling Bundle Humbling Bundle: Humbling Bundle cannot alter half red hearts, but Mom's Locket turns them into full red hearts, which it can double.

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