日語 Japanese Ask Questions Thread2 質問

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Japanese - Ask questions thread
http://dis.4chan.org/read/lang/1174719097/l50

Where can I learn the weird kanji radicals used in calligraphy that no one can read well? For instance, in 月 we might see something like a rectangle with the bottom gone, and a Z inside. This is an easier example, but some I just can't decipher. I don't  have an example on me right now though..