1) finish the turn...you are stopping. The turn is finished when your hips ski back to the handle.
2) Once you have finished the turn, LEAN
. Hips at handle, arms relaxed and extended...in a stacked position - hips forward, butt in line with ankles, chest proud and over your hips.
3) Pull through the wakes in this position, with your elbows tucked at your sides, continuing outbound, two hands on the handle until you feel the rope pull you in to the pre-turn.
Then, do it all over again!
And shorten the line to 15' off.