A Nice Kettlebell Complex finisher with Ronan. 2 Kettlebells, 4 Exercises, work for 40 sec, rest for 20 sec, 8 minutes in total. KB Deadlift, KB Clean, KB Squat, KB Snatch. Choose a Kettlebell weight that will push you but allow you to work at a continuous pace for the full duration of the 40 seconds.