The beveled collar tightens down inside the rim of the hole not only locking the chute in place but does so without damaging the finish on your cornhole boards!
Take your airmail game on the road or on your next plane ride. Light weight durable and small enough to fit inside your backpack.
Never worry about re adjusting
Lock in your airmail with a true hole only shot
Half the cost of traditional wooden airmail boxes and a fraction of the weight and size.