In Reply to: bags posted by imalan on Thursday, 16. October 2014 at 13:34 Bali Time:
The traders see each other as simply opposition and would hardly be of a mind to help each other in any such organised way.
I'd be more concerned to make sure that what goes in the plastic bag is actually the item you think you have purchased.
The old late switch is sometimes employed where it may suit the traders purpose.