This might not be much help.
I had the last four letters of the answer - and just worked my way through Chambers. It took only a few minutes to come across a word which is defined as 'the jiggery palm' - so that seemed to fit the second part of the clue. I still don't know how the first part works.
If others without the paper would like to help(with a HINT), here is the clue...
Usual empty container up front is source of brown sugar (5)