Additional USMS Drill Videos A fun breaststroke drill to develop your "catch."This freestyle drill develops rotation and "front quadrant" timing.An excellent freestyle drill for length and front quadrant swimming.Helps develop the freestyle catch.Helps develop freestyle catch.Work on butterfly timing without exhaustion.This drill helps develop the timing of both breaststroke and butterfly.This backstroke drill helps with timing and rotation.Helps develop the freestyle catch.Freestyle drill from Russian sprinter Popov.This drill helps with versatility in open water sighting.Freestyle drill for developing balance and rotation.Develops the freestyle catch.