(Extreme skill is required)
and he'll give you another. drop that one he'll give you another one. Continuousy doing this will give you a full inventory of them, however remember to pick them up every time you dropped 5 so that they dont appear on other people's screens or disappear on the ground.
You need to be quick and cautious of people passing by. This can be used for selling at the ge, anti-dragon shields sell fast so you can make gp really fast.