The string the lure is tied to runs very fast (depending on how fast your dog runs) and rope burns are common. (midwestigrescue.com)
There are also special bowls with projections that are designed to slow down how fast your dog eats. (pets.webmd.com)
Whereas it makes sense to teach a slow dog to move faster, very few owners appreciate that a very fast dog can also be taught to move even faster. (dogstardaily.com)