User blog comment:NefkaAlice/About Roderich a.k.a. Austria/@comment-98.183.250.158-20101202022141

Im not sure. I've seen it used in fanfiction and i think i've seen it in a comic strip. I've read in some places that his curl is his erogenous zone. But that could just be because of the Italy brothers. Have you tired looking on other sources?