MMX cluster adapter. Fits 2 MMX motors in an Estes BT-20 18mm tube

MMX 2X cluster to 18mm bt20 adapter. Plywood rings Kevlar cord. 
Is the extra two rings allow for more of a friction fit. 
Hooks to your existing recovery system and is easily removable. 
I use this in my GOBBIE rocket. It weighs around 14 grams and flew around 70 feet high. 
Instructions included.
I will be adding other cluster mounts as soon as possible. 
My rocket is tested and proven safe. Your results depend on your skills and build. OLLIE-OOP ROCKETRY is not responsible for or liable for any damages or injuries or accidents. Buyer assumes all responsibility and liability.