One arm drill

6 kick switch

The hand in the Pocket drill

Catch up drill

Focus on your technic. Keeping one arm to your side and swim with the other.

Swimming on your side. Kick 6 times, and switch, taking a stroke as you do.

At the end of the stroke your hand comes back as if it is going to reach into your pocket.

One arm is forward while the other strokes to meet that arm.