How to Swim Faster Butterfly
10:14
Learn to Swim - Butterfly Part 2
18:17
Butterfly Drills for Competitive Swimming
6:28
How to Swim Butterfly | Expert tips from Olympic Champion Stephanie Rice.
11:16
Potomac Marlins Freestyle Stroke Technique Video
3:58
Butterfly in Profile with Jessicah Schipper
10:33
빠른 접영의 조건과 리듬 알아보기
5:42
Improve your Butterfly swimming (5 Stages) technique for beginners
10:53