What is the five-second dog rule?

The experts revealed: "Avoid exercising your dog at the hottest time of the day. Mornings and evenings tend to be cooler times to go for a walk, and the ‘5-second rule’ is crucial to ensure their paw pads do not burn – if it hurts your hand to touch a pavement or patio for five seconds, then it will burn your pet's paws. Luckily for owners, there is a simple five-second rule of thumb that can easily help you decide if it is safe to go for that stroll or not. Pet experts at Insure Your Paws have warned that a simple five-second test can be crucial in judging if it's too hot for your pooch. In the heat, dogs will sweat, but it will come from their paws so when taking them out for a walk it's crucial to make sure the ground isn't too hot.