Whether you have a playful puppy or a sedentary senior, dogs of all ages and breeds can learn new tricks. Everyday commands like “sit” and “stay” are important when teaching basic manners — and for keeping your pooch out of trouble — but your canine companion is capable of all sorts of other crowd-pleasing feats. And dog tricks aren’t just a fun way to entertain houseguests; experts say both dogs and their humans benefit greatly from the trick-training process. We turned to the pros to get some tips and, er, tricks for how to teach a dog tricks.