The problem with this design It is purposely designed to release the dog if the pull is hard enough, such as hitting a pole I believe a large dog with a strong enough pull would be able to pull hard enough to break the connection and attack another dog or person
![ARGENTINA vs. CHILE [3-0] | RESUMEN | ELIMINATORIAS SUDAMERICANAS | FECHA 7](http://i.ytimg.com/vi/De3AWmXzhuA/mqdefault.jpg)
The problem with this design
It is purposely designed to release the dog if the pull is hard enough, such as hitting a pole
I believe a large dog with a strong enough pull would be able to pull hard enough to break the connection and attack another dog or person
g g g gulp