Heel hooks have a bad reputation in the Brazilian jiu-jitsu community. Not only are they thought of as a way to avoid having to learn guard passing, but they’re thought of as dangerous.
However, some people also believe heel hooks are no more dangerous than armbars or Kimuras. One of these people is Kent Peters from ZombieProofBJJ.
Yes, heel hooks can be dangerous if done incorrectly, but the same can be said about any submission. You can easily do some serious harm by cranking on a Kimura.
In this video, Kent demonstrates the safety of heel hooks. Check it out below: