On-ground simulation exercises to train your ability to work with increased CO2 levels while in movement. Underwater hold downs often happen unexpectedly, in scenarios where your heart rates is already accelerated and you need to keep swimming.

Follow the lead of Augusto @auguscarrara, free-diving instructor and surf coach, in this series of 3 videos.

In-person experience:
https://saltysoulsexperience.com/elsalvador-surf-apnea/
https://underwavetraining.com/ @underwave.training