- To form a stack, LEFTCLICK + LEFTCLICK or LEFTCLICK + DRAG similar items on top of each other.
- Visible quality level becomes ??? or XXX.
- New ALT + RIGHTCLICK menu options appear - Open Stack, Take Best, Take Worst, Break Stack.
- RIGHTCLICK item remains set to default use.
- "Open Stack" treats the stack as a container. Similar items can be transferred in and out of the stack in the manner of any other container.
('Take Best' and 'Take Worst' come from Potjeh.)
