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Jaw Bone item
Jaw Bone is an unlockable familiar in The Binding of Isaac, added in the Afterbirth+ DLC.
Description
Spawns a familiar that follows Isaac and glides across the room in the direction of the first tear fired and returns to Isaac upon hitting a wall.
The familiar deals 7 contact damage to enemies and will pierce through them if it kills them, or bounce back if it doesn't.
Can block enemy projectiles, even when stationary.
Can retrieve pickups.
Note
This page shows the latest information as of the new Repentance+ (Online Co-op) DLC.
To see information about this item for the previous Repentance version, check this page instead.
How to unlock?
Defeat ??? as The Forgotten.
Item pools
Jaw Bone can be found in the following item pools:
| Name | Weight |
|---|---|
| Treasure Room |
1.0/1.0
|
| Greed Treasure Room |
1.0/1.0
|
Tags
The following tags are applied to this item:
| Id | Description |
|---|---|
| summonable | Can be summoned via  Lemegeton. |
| offensive | Can appear for  Tainted Lost. |
Special synergies
The following special synergies and interactions for Jaw Bone have been documented.
* Note that not all possible synergies and interactions are listed here.
Internal item description
Below is the Internal Item Description as shown in-game.
Note that some stat changes are not displayed here. Please see the main description for the full effects.
Jaw Bone
• Familiar that charges across the room where Isaac fires and deals contact damage to enemies
• Can also grab and retrieve pickup items
• Abyss: x1 bone locust .75x Isaac's damage
External links
- Check out the item description on the external Isaac Wiki.
Book of the Dead 
Dad's Ring 
Divorce Papers 
Brittle Bones 
Broken Shovel 
Broken Shovel