[taeric]

But only in the sense that my kid's training wheels help them go faster on a bike. Since that only works up to a certain speed.

So... yeah, it is somewhat convoluted, but not as much as you seem to be implying. Take "kids chopsticks". They speed up kids, obviously. They slow down folks that know what they are going.

(Really, I could probably list a huge list of things that all work in this vein.)