Train your dog with this dog whistle.
Create a variety of commands for your dog:
In an easy scroll list, to play sounds
-Stop Barking, Sit, Lay
-Eat, Watch Me, Down
-Heel, Wait, Drop It
-Walk, Leave it, Sleep
Practice at home or in backyard, Find a quite place for the excercises to avoid distractions.
Reward the dog for obeying your commands and being good.
This allows you to train your dog without disturbing nearby people.