Designed to eliminate the struggle and strain of opening household jars and bottlesLocks securely onto lids via 3 sets of steel jaws/teeth (attaches by a simple clockwise motion; releases by twisting in the opposite direction) - watch the video to see the opener in actionAdjustable mechanism will remove any lid or cap between 1 and 3.5 inches in diameter and is suitable for a wide variety of jars/caps - threaded, smooth-sided and groovedLong handle provides extra leverage for stubborn lids, including vacuum seals (opener is ideal for those with limited strength/mobility in their hands and/or wrists)Easy to clean and store: wipe with a damp cloth (not dishwasher safe) and keep within kitchen drawers or utensil pots (can also be hung via a hole within the handle)