No you can't roundhouse and have the three imperatives.
One factor or move that might help is to set up at Impact Fix. That includes the hips and shoulders being position as they would be at impact. Get the feeling where the right shoulder is suppose to be. Care should be taken when returning to adjusted address not to move the head. Then do the down stroke waggle, feel and look look look to ensure the right shoulder is in fact moving down and out on plane, not forward.
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