In a dangerous situation, the avalanche airbag must be deployed quickly and reliably. You can use the Airbag 3.0 Trigger Test Tool to deploy your airbag without using up a cartridge. The tool lets you familiarize yourself with the airbag system and practice deployment. Simply screw the tool all the way into the deployment mechanism, put on the backpack, and pull the deployment handle. A clear "snapping" sound indicates successful deployment.