We review the best viral multi-tools. See why the Wallet Ninja, Gordon 20-in-1, RAK Pen, Hori-Hori Knife, and Leatherman Skeletool are worth it.

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Thomas J. Brock is a CFA and CPA with more than 20 years of experience in various areas ...

Uncrowned is a new destination for all things MMA, boxing, wrestling, and more, featuring Ariel Helwani. Yahoo Racing is powered by Motorsport Network, providing expert reporting, analysis, and ...