this trick is a funny one. You have to wait a long longer to pull than you think you do. it's such an easy trick to spin.
cruise in as slow as you possibly can and still clear the wake
it's good to spot your landing before you even start to spin
Your board and hips should spin first, then your shoulders
Don't turn your head at all
watch your landing spot until your shoulders spin far enough and force your head to turn, and then just keep your chin glued to your back shoulder until you land.
If you spin too fast, or turn your head around too fast, you'll land on your heels and slide out, or butt check.
the key is your head movement. If your head gets ahead of your hips, or shoulders, you'll have a hard time landing it.