[Zeke]

Originally Posted by heel n toe

the description says "...to create easy and cheap bags for storage," but you still need a bag to make it happen.

You pull the top of the bag up through the cut off bottle neck, fold it over the threads, then screw the cap on.

If it had said, "...to create the most difficult, time consuming and preposterous cheap airtight storage," that would've been more accurate.

FiFy