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Finger Bone trinket
Finger Bone is an unlockable trinket in The Binding of Isaac, added in the Afterbirth+ DLC.
Description
Grants a 4% chance to gain a 
Bone Heart upon taking damage.
Note
This page shows information as of the latest Repentance release.
To see latest up-to date information about this trinket for the new Repentance+ (Online Co-op) DLC, check this page instead.
How to unlock?
Defeat Ultra Greed as The Forgotten.
Item pools
Finger Bone can be found in the following item pools:
| Name | Weight |
|---|
Special synergies
The following special synergies and interactions for Finger Bone have been documented.
| Mod | Item | Synergy |
|---|---|---|
| --- | Trinket multipliers | No effect. |
* Note that not all possible synergies and interactions are listed here.
External links
- Check out the trinket description on the external Isaac Wiki.
Extension Cord 
Rotten Penny 
Baby-Bender 
Jawbreaker 
Chewed Pen 
Blessed Penny