I saw this on another forum, an american one,
http://www.itqb.unl.pt/~BCV/carlota_files/espigapigarro1.JPG
The corn 'Pigaroo' comes from Portugal, but the poster was having trouble locating a supply, any ideas, Ive tried searching but nothing yet.
btw the forum is http://alanbishop.proboards.com/index.cgi