I have a question regarding the last two stages. It seems some people are using the Klasse sealant and paste wax in different order, for example, most detailing guides says Klasse goes last, but it looks like the detailers on here prefer a coating of P21S on top of the Klasses. I would like to know what is being achieved with both methods and how do you achieve it (like how you are using the products and what pads are you using). Thanks.