Dog Tooth is a passive item in The Binding of Isaac, added in the Afterbirth+ DLC.

+0.3 damage.
+0.1 speed.

Upon entering a room that's connected to an undiscovered Secret Room or Super Secret room, a dog howl sound will play.

Upon entering a room that contains an undiscovered Crawl Space, a barking dog sound will play.

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.

Dog Tooth can be found in the following item pools:

The following tags are applied to this item:

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.

Dog Tooth

• Howls when adjacent to a secret room
• Barks in rooms with a hidden crawl space
• Abyss: x1 locust 1x Isaac's damage

• Check out the item description on the external Isaac Wiki.