From the blog "Krdshrk's Gear Reviews"

There's dry fire training, then there's next level dry fire training! That's where the Mantis Laser Academy and Mantis Blackbeard come in. Dry fire training allows you to practice your firearm handling skills at home. You can practice holster draw/firing/re-holstering, reloading, strong hand firing, weak hand firing, malfunction clearing, and more. When dry fire training at home, you should always remember the fundamental rules of firearm safety, and ensure that there is no live ammunition