This week we've seen a dog opting to "submerge herself" in mud ... thanks to their hilariously spirited game of tug-of-war. More From Newsweek Vault: The Top Rewards Credit Cards for Pet Owners ...

Their training starts as puppies and often begins as simple games like hide-and-seek and tug-of-war. "It’s all to tap into the dog’s hunt and prey drives," the club explains. "From there ...