And no, I'm not referring to protecting the furry little babies that may ride with you, but protecting YOU from those are running around and may be vicious. I typically recommend to my friends a product from Sabre. I've used their products in the past when I was a police officer and found that they worked very well. They now have a product out that is designed for protection against dogs. https://www.sabrered.com/bear-and-dog-sprays Please check your local laws before purchasing OC spray as some jurisdictions have outlawed it and class it as carrying a concealed weapon.