Extra piece set on lishogi.org?

Where can find lishogi.org extra piece set? Particularly is 2-Kanji set. (In Microsoft Edge)

COArSe_D1RTxxx

 

#2

Browser doesn't matter. You (top-right corner) >> Piece set.

@COArSe_D1RTxxx Isn't that, "Extra" mean is some browser expansion

COArSe_D1RTxxx

 

#4

What?

COArSe_D1RTxxx

edited  

#5

Where do you see the word “extra”? If it's on the page, then no, it's not a browser-specific extension. Even still, I don't see “extra”, and I also use Edge.