Wulf Mods 8 inch Challenge BangerCan You Handle The Challenge? Think you have the claws to handle the Wulf Mods Challenge? Only way to find out is to pick up our insanely fun new attachment, the Wulf Mods 8 Inch Challenge Banger! So what is the challenge exactly? The Challenge Banger has an 8 inch long tube that houses a small terp pillar where once you inhale it will rise and fall in sync with your airflow. This lets you run the challenge of seeing how long you and your friends can