What The Hell Is The Red Thing On This One-Of-A-Kind PS3?

Sony president Kaz Hirai got his own specialized PlayStation 3 today, according to a tweet by fellow Sony exec (and SCE head) Shuhei Yoshida. It's custom made. And not for sale.

I have absolutely no idea what the red thing is. People have asked Yoshida on Twitter, but he hasn't responded yet. Anyone want to guess?

A special PS3 custom made for Kaz. Not for sale. [Twitter via NeoGAF]