A nice project that deserve attention for all retrogaming fans. It would be a nice addition to a dedicated retrobox !
https://www.kickstarter.com/projects/544088930/bliss-box-4-play-one-adapter-for-many-controllers-0
https://www.kickstarter.com/projects/544088930/bliss-box-4-play-one-adapter-for-many-controllers-0