Who are the characters on the two secret rubber straps for season one? One of the pieces of merchandise for Symphogear season one is a "trading rubber strap", about half way down the second page of goods on the official site. There are ten varieties - Hibiki, Miku, Ryouko, and Chris in regular clothing; Hibiki, Chris, Tsubasa, and Kanade clad in Symphogear; and then two more secret ones that are shown only in silhouette.



Who are the characters depicted on the two secret straps? I can't tell from the silhouettes, though the shape of the one on the left looks suspiciously like Tsubasa's hair.
If you're still looking for an answer, it's a second Kanade and Tsubasa.
Here is what they look like. (Source.)