Very easy to dismantle a klicky, once you get the hang of it, you can do it anytime, anyplace, anywhere

Martin has a good video of the han's on method
http://www.youtube.com/watch?v=-kiczou4_tsBut i find the pincers (gentle squeeze but hard pulling of the head) to work better for me, my arm hurts from all the hitting after a while... well, same goes with the pulling

As for the chainmail, I am not aware of a part number, playmodb has none listed, unless my search was not adequate, but maybe someone else knows that part number

ordering a 1000 from ebay can be utterly expensive