The dog pant breath is very easy. If it feels strange, at first, just give it time. With a little practice, it will be as easy as normal breathing.
To learn it , you stick you tongue and pant as a dog does. Get comfortable with this. Then, simply close your mouth.
You will know you are doing it right when you can do it,forever, without stopping, it feels like.
It will feel very natural and not forced, at all. If it feels forced, you are not doing it right.
Your abdomen should rise and fall so that when you put your hand on your abdomen, you hand will go up and down.
It is best to do Kundalini Yoga when you have an empty stomach. It it suggested that you wait three hours after a mean.
If you need a snack, have something light and raw, preferably, like a piece of fruit
Practice and in time, it will be easy. If you need further help with the Dog Pant Breath, Google it . In the meantime, I will look for a good link and add it to this.