Klasse AIO can be applied by hand using a damp sponge or MF applicator (not a towel/rag) but machine application is much faster and easier. Using a PC 7424 with a polishing pad leaves it almost dry enough to wipe off right away (using a dry MF towel).
I think the key is applying it using a 'damp' vs a dry applicator and very little (nickel sized drop) WILL do a whole panel. I use distilled water to dampen the applicator and get better results than using a QD spray.
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