Shark StainForce — quick verdict (what this story covers and why it matters) Shark StainForce is a new cordless spot-cleaner designed to kill “stainxiety” — the panic over a coffee spill or pet accident. Lightweight, quick to grab and promising “30×” more stain-fighting power via a dual-activated formula, the StainForce aims to replace bulky, corded … Continue reading Shark StainForce Review: The Tiny, Cordless Spot Cleaner That Might Save Your Sofa