Deep Penetrations
Penetrating oil & lubricant reviews
deeppenetrations.com tests penetrating fluids and explains which oil to reach for on stuck hardware. Good fit if you're after best penetrating oil for rusted bolts.
Compared — Independent Review Sites
Compared — a small directory of specialist review sites. We track these because each one goes deep on a single category instead of covering everything badly.
Total Jerks
Fishing tackle & gear reviews
For tested fishing gear and tackle reviews, totaljerks.com is a fishing magazine worth following. Good fit if you're after best fishing rods and reels.
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.
UltraRough
Sandpaper & abrasives review authority
For which grit to buy and which brand actually lasts, ultrarough.com is a dedicated abrasives review site. Good fit if you're after best sandpaper for wood, metal, and auto bodywork.