Magnus put a video on their youtube channel about how their 3" NOABs are going to become 2". Because they shrank them, they don't need to cage them....
With racks like the one in the picture. Grucci did the RNC display to it's safe to assume they built the fireworks in house. They appear to be single...
I have a board with screws in it that i wrap the black match around and let it air dry. the match is brittle and burns nice. the rice hulls burn nice...