2019 World Clinic Audio: Steve Haufler: Advanced Technique Progressions for the Age Group Swimmer 

Steve Haulfer discusses various swimming techniques and drills, emphasizing the importance of upper arm mechanics in freestyle swimming. They describe a drill called "boom" to teach kids the correct stroke, highlighting the need for a vertical upper arm and a strong catch. For freestyle breathing, they recommend using a snorkel and practicing without breathing to improve technique. They also cover breaststroke kicks, backstroke sculling, and butterfly entries, stressing the importance of high hand positions and proper body alignment. Additionally, they discuss underwater dolphin kicks, back-to-breast crossover turns, and the use of nose plugs for better underwater travel.