But back to the topic, below is the first and easiest modification I would suggest, it work with the single AMS buffer as well as with the multi AMS Hub.
The only requirment is to let few centimeters so the buffer can expand/retract (4/5 cm), also you must not put tension on it or it will be always expanded, and it wont works as excpected.
Obviously I need to design a cover now 
Yes
