I noticed something last night on the above render, but forgot to mention it... the red side boot straps are poking through the black top straps on the outside of the boots. Is that because they are intended to be alternatives, rather than being used together?

"If I were a shadow, I know I wouldn't like to be half of what I should be."
Mr Otsuka, the old black tomcat in Kafka on the Shore (Haruki Murakami)