Yes you do!
2 different throttles? Seems safe. What could go wrong?
Oh, I hope they have size 10 in stock!
One of them stalls out while going at speed you would do a power split.
I tried a reverse image search to see if there was anymore info and unfortunately the only thing it finds is the VW. I'm pretty sure these would kill you just putting them on.
https://www.hagerty.com/media/automotive-history/the-century-old-quest-to-create-motorized-skates-for-the-masses/
I love how she looks like a stylish woman headed off to work in her jet shoes