Don't rest in between exercises or rounds, but take a 60 - sec break after each part. (pumpsandiron.com)
The rules: complete each exercise one after the other with as little rest in between exercises as possible. (womenshealthandfitness.com.au)
We like the adjustment mechanism because it's more efficient than similar dumbbells making them great for workouts that require little rest in between exercises. (agymrat.com)