Stop Struggling with Stuck Lids—The Dubbs Hardware Swivel Assist is Here. If you love your high-capacity tumblers but hate struggling with over-tightened lids, the Dubbs Hardware Swivel Bottle Cap Opener is your new favorite kitchen and travel gadget. Specifically designed for the unique dimensions of Stanley, Hydrojug, and Owala caps, this tool provides the mechanical advantage you need to hydrate without the trouble. Precision Engineered for Modern Bottles Unlike generic rubber grips, our opener features a specialized swivel design that locks onto the lid and utilizes a lever to multiply your strength. It's effective for liquid-tight seals that are notoriously difficult to open by hand. Essential for Hand Health This ergonomic turner eliminates the painful twisting motion typically required. It makes a thoughtful and practical gift for parents, grandparents, or anyone who values independence in the kitchen