Patient dogs impress owner with trick

Feeding four dogs can be a nightmare, unless they are as well trained as these canines.

Each of the four patient pooches has a treat placed on the ground in front of them, but they're not allowed to eat them.

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The dogs amazingly stay focused the whole time until their owner gives them the signal, at which point they instantly grab their snacks.

Hank the Lab even manages a cheeky grin at the end!