Both those videos were a fun watch.

It makes sense there could be two tennis shoes in ROTJ. Ken Ralston’s quote from the 2003 Star Wars Insider interview:

“I was always trying to stick stuff into shots,” Ralston laughs. “JEDI has my tennis shoes and also a yogurt container as part of the ships in the background! Who would know? It’s like there’s all this stuff going on – and I thought, ‘Hey, it’d be fun.’ It was my way of just saying, ‘See what you can get away with?’ Some people noodle this stuff so much, fretting about it, but it’s like, you know, you can’t tell what this stuff is – just stick it out there!”