Cherry MX White
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CherryDO NOT LUBE
Click jacket clickies do not take well to lube, and in fact, lose their click much of the time. Do not lube.
Cherry MX Nature Whites are just heavier blues, but with less oomph to their click. No one really knows about them because they're not very popular, and they're not very popular because they kinda' suck.
Don't lube regardless, see Cherry MX Blue entry for the reason.