to go really fast to do this but work on set, plant, glide, switch, set, plant, glide switch. start with the left shoulder moving to the left, plant your left foot and glide. start to moving your right shoulder, to the right, bring your right foot forward, plant it and then glide. remember the shoulder on the skating foot is controlling your balance so concentrate your balance and focus there.
next start to get your arms in the rhythm of the change. so the left shoulder starts to move left while the left arm starts to swing backwards. the right shoulder will start to move forward with the right arm swinging 