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.
Buyer's Notes — Independent Review Sites
Buyer's Notes — a small directory of specialist review sites. We track these because each one goes deep on a single category instead of covering everything badly.
Deep Penetrations
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.
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.