Heads to steal chests

Put the summary of the bug you're having here

Sorry, my native language is spanish, my english isn´t really good...

What I expected to happen was...:
When you put a head near a chest, the things of the chests explode

What actually happened was...:
Describe what happened here

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...
3. ...