Go to the bank and put in a bunch of bags, open your main inventory or any other equiped bag. Now take one of the empty bags from the bank and place it in one of your equipped bags.
* Right click that bag
* Put another bag from the bank inside that one
* Repeat
THE NEXT COOKIE IS MINE!!! RAWR
* Right click that bag
* Put another bag from the bank inside that one
* Repeat
THE NEXT COOKIE IS MINE!!! RAWR