Where can i find Dried Tongue?

hello onigirians ive been lookin for this item called Dried tongue.i checked onigiri wikia and there is no info about it any idea.where can i find it?
~thnx in advance
~thnx in advance

http://onigiri.cyberstep.com/_/forum/
http://onigiri.cyberstep.com/_/forum/viewtopic.php?f=10&t=3284