Tool:
* As sharp as a rake: This works if you're talking about a tool that's in good condition and ready for work.
* The wind swept through the leaves like a rake: This emphasizes the forceful and gathering motion of the wind.
Personality:
* He was as charming and ruthless as a rake: This describes someone who is attractive but also morally questionable.
* He was a rake, leaving a trail of broken hearts like fallen leaves: This emphasizes the negative impact of their actions.
You could also use:
* His hair was as messy as a rake after a windy day: This compares the hair to a rake that's been left out in the weather.
Ultimately, the best simile for "rake" depends on the specific context and the meaning you want to convey.