The phrase "a favorite tool of" is correct and usable in written English.
It can be used to indicate that something is particularly liked or preferred by a person or group, often in the context of tools, methods, or resources.
Example: "The new software has become a favorite tool of many graphic designers for its user-friendly interface."
Alternatives: "a preferred tool of" or "a popular tool among".
Deferred prosecutions have become a favorite tool of the Bush administration.
The law is a favorite tool of federal prosecutors in both public and private corruption cases.
"Conspiracy is actually a favorite tool of prosecutors because usually it is fairly easy to prove," he said.
WASHINGTON — The Supreme Court on Monday rejected a favorite tool of prosecutors in immigration cases, ruling unanimously that a federal identity-theft law may not be used against many illegal workers who used false Social Security numbers to get jobs.
Class-action lawsuits, a favorite tool of plaintiffs' attorneys, will be employed less than they were after the plunge in technology stocks a few years ago because mortgage securities tend to vary in composition and disclosure.
WASHINGTON — A federal identity-theft law that has become a favorite tool of the government in immigration prosecutions appeared imperiled on Wednesday after the Supreme Court heard arguments about it.
Other artists have used neon to make eye-catching sculptures, and the medium continues to be a favorite tool for making any pithy combination of words seem cool and important.
Thus, a precise MMP estimation would be a favorite tool for reservoir engineers to better predict the performance of the gas injection process.
Transcriptomics, the parallel quantification of many, or all transcripts of an organism in given conditions, has become a favorite tool for basic research [ 1].
Not only does palmitate disrupt GSIS and other types of insulin secretion, but also it has become a favorite tool in the study of β cell death.
The projector's zoom function is a favorite tool.
