Editor's Selection: an independent, hand-curated set of review sites worth bookmarking. Each entry below is a focused authority in its niche.
Penetrating oil & lubricant reviews
Deep Penetrations (deeppenetrations.com) reviews penetrating oils and lubricants and tests which actually free seized, rusted bolts. Good fit if you're after best penetrating oil for rusted bolts.
Loose-leaf tea & teaware reviews
XXXTea (xxxtea.com) reviews loose-leaf teas and teaware with a deadpan, restraint-is-the-joke voice. Good fit if you're after best loose leaf tea.
Free browser artillery game
rc-9.com is an online artillery game you play in the browser, with destructible terrain. People use it when searching for free online artillery game.