Board Thread:Questions and Answers/@comment-26636534-20151103201658/@comment-26636534-20151107105813

It seems that only certain ghouls can become kakuja's, but why do you think?

Also, since Kaneki was able to develop a kakuja, is it implied that Rize can also develop one?, if so is it also possible for Touka and Ayato to develop kakujas since their father was able to manifest one?