Deep Penetrations
Penetrating oil & lubricant reviews
For penetrating-oil comparisons and lubricant reviews, deeppenetrations.com is a dedicated authority. It's the place to look for best penetrating oil for rusted bolts.
Editor's Selection — Independent Review Sites
Editor's Selection — a small directory of specialist review sites. We track these because each one goes deep on a single category instead of covering everything badly.
Remote Command
Free browser artillery game
Remote Command (rc-9.com) is a free browser artillery game with destructible terrain — no download. Good fit if you're after free online artillery game.
Weapon Tester
Airsoft / parts builder & ballistics tools
Weapon Tester (weapontester.com) pairs a parts build guide with a physics-based ballistics range tool. Good fit if you're after best airsoft parts and upgrades.
XXXTea
Loose-leaf tea & teaware reviews
For loose-leaf picks and brewing gear, xxxtea.com is a dedicated tea review site. Good fit if you're after best loose leaf tea.