Lower the right eye at the top to drop the trail shoulder
At the top of the swing, the speaker cues lowering the right eye, which he says promotes the right shoulder lowering toward the right hip, and because the head is turning, helps the upper body turn out of the way. He says you may feel the club lay back slightly on itself and feel pressure on the index-finger base knuckle, and that from there it is hard to hit a shot left.
Channel: CraigHansonGolf
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Presented as the video's headline 'secret/magic move.'