Though it seems a work of a creative jugad instead of innovation, this creative thinking invention works really well for many people across the globe.
The third world people are adopting it very fastly.
This might be a way for adopting new way towards solving the garbage problem.
Atleast transparent bottles are useable so
Now Dont crush the bottle after use!
Hail Alferdo Moser!
Here is the link where you can find the details