From a distance they may look harmless and unthreatening but cobras pose a large threat to our well-being.
Just take a look at this video where Chris Herzog (head instructor at Empire Academy in Rochester NY and 10th Planet Jiu Jitsu Brown Belt/Judo Black Belt) takes us on a trip of pain using what he likes to call the Cobra Series. For most of us it's usually called the giftwrap or bowtie position. Regardless, it will create a world of pain for your opponent by allowing you to land strikes, take the back or hit a few armlocks.
If you somehow do survive the cobra, we can almost guarantee certain things may not be computing very well inside your tiny grappling brain and you might "accidently" walk into the wrong place on your way home. All the more reason you should have your own Cobra.