We researched e-collars (medical cones for pets) and tested 10 on two dogs and one cat. Read on to learn which one we found is the best for most pets.

Puffin, a 3-year-old Terrier mix, wears a cone device at the South Bay Pet Adoption Center in Hawthorne, Calif. Mike, a 2-year-old pit-bull mix from Henderson, Nev., wears a patented onesie by ...