Prompt Title: kettlebell

Sure, here's a simple 20-minute kettlebell workout for your shoulders and biceps:

1. Warm-Up: 2-3 minutes Start with a quick warm-up to get your blood flowing and your muscles ready for the workout. You can do some jumping jacks, jogging in place, or some light stretching.

2. Kettlebell Shoulder Press: 3 sets x 10 reps Stand with your feet shoulder-width apart and hold the kettlebell at shoulder height with your elbow bent. Press the kettlebell overhead, fully extending your arm. Slowly lower the kettlebell back down to the starting position.

3. Kettlebell Alternating Bicep Curls: 3 sets x 10 reps Stand with your feet shoulder-width apart and hold a kettlebell in each hand with your palms facing forward. Curl one kettlebell up towards your shoulder while keeping the other kettlebell in the starting position. Alternate arms for 10 reps.

4. Kettlebell Lateral Raises: 3 sets x 10 reps Stand with your feet shoulder-width apart and hold the kettlebell in front of your thighs with both hands. Lift the kettlebell out to the side until it's at shoulder height. Slowly lower the kettlebell back down to the starting position.

5. Kettlebell Hammer Curls: 3 sets x 10 reps Stand with your feet shoulder-width apart and hold a kettlebell in each hand with your palms facing towards your body. Curl the kettlebell up towards your shoulder, keeping your palms facing towards your body. Slowly lower the kettlebell back down to the starting position.

6. Kettlebell Upright Row: 3 sets x 10 reps Stand with your feet shoulder-width apart and hold the kettlebell in front of your thighs with both hands. Lift the kettlebell up towards your chin, keeping it close to your body. Slowly lower the kettlebell back down to the starting position.

7. Cool-Down: 2-3 minutes Finish your workout with a cool-down to stretch your muscles and help prevent soreness. You can do some light stretching or yoga poses.

That's it! This workout should take you around 20 minutes to complete. Make sure to choose a weight that challenges you but also allows you to maintain proper form throughout each exercise.