Here are some more visuals:

Actual picture of a Korean nun getting ordained, again, all I can say is what a blade!
http://ask.nate.com/qna/view.html?n=4068259
(This picture is from Search For Nirvana: Korean Monk's Life, 1985)

And here's a modern Korean monk shaving his hair with a disposable blade:우리세상 - *발

Finally, in looking for images of Japanese monks shaving, I found this ad for a blade that is used during ordination: ڳŷԾۤʤߤˡʹʡˡڹ ˼դ*Ѥζޡʩšʩ񡡿˳Ʋ

-Erik