Pretty simple concept, allow inserters to adjust the direction they are inserting based on the circuit network. First use that comes to mind would be a nice buffer system along a belt that would take items from the belt when the associated chest is below a certain threshold, then reverse directions ...

I've just released a very preliminary version of my first mod, and I look forward to expanding it, but as things are structured now, it might get a little messy eventually. Currently when you turn off "signal as pitch" there are two dropdowns allowing for selection of drum kit -> Kick 1, or Alarms ...