![IKFF Certified Kettlebell Trainer Level 1 Certification – English version – Rotterdam Kettlebell Academy IKFF Certified Kettlebell Trainer Level 1 Certification – English version – Rotterdam Kettlebell Academy](https://rotterdamkettlebellacademy.files.wordpress.com/2016/08/ikff-certified-kettlebell-trainer-level-1-certification-001.jpg)
IKFF Certified Kettlebell Trainer Level 1 Certification – English version – Rotterdam Kettlebell Academy
![Difference between cast iron and competition kettlebell handle sizes. Kettlebells USA® IKFF | Kettlebell, Best kettlebell exercises, Competition kettlebells Difference between cast iron and competition kettlebell handle sizes. Kettlebells USA® IKFF | Kettlebell, Best kettlebell exercises, Competition kettlebells](https://i.pinimg.com/736x/2b/c2/28/2bc228e641f09aff91e899c3d090eb9a--two-hands-competition-kettlebells.jpg)
Difference between cast iron and competition kettlebell handle sizes. Kettlebells USA® IKFF | Kettlebell, Best kettlebell exercises, Competition kettlebells
![IKFF Certified Kettlebell Trainer Level 1 Certification – English version – Rotterdam Kettlebell Academy IKFF Certified Kettlebell Trainer Level 1 Certification – English version – Rotterdam Kettlebell Academy](https://rotterdamkettlebellacademy.files.wordpress.com/2016/08/ikff-certified-kettlebell-trainer-level-1-certification-002.jpg)
IKFF Certified Kettlebell Trainer Level 1 Certification – English version – Rotterdam Kettlebell Academy
![IKFF Certified Kettlebell Trainer Level 1 Certification – English version – Rotterdam Kettlebell Academy IKFF Certified Kettlebell Trainer Level 1 Certification – English version – Rotterdam Kettlebell Academy](https://rotterdamkettlebellacademy.files.wordpress.com/2017/12/ikff-certified-kettlebell-trainer-level-1-certification-001a.jpg)