![]() You may be wondering, as we were, why it can be such a struggle to get these jars open in the first place. Jar seals can keep people safe by keeping bacteria out of our food, but the side effect can make sealed jars difficult to open. Fat pasta sauce and pickle jars proved more challenging. The easiest lids to open were on slim jars that we could get our second hands around. ![]() Beyond that single shortcoming, the gadget gripped every other lid we tried. The clamp was unable to grip this item, even though the manufacturer says it should work on lids from 1 inch to 3.7 inches in diameter. The Kichwit opened every jar and bottle we tried with one exception: a lemonade bottle with a top measuring just over 1.5 inches. It also takes some grip strength, in both hands, to steady the jar and turn the handle-but not as much power as we found we needed to operate several other similar jar grips. It takes a bit of finesse to keep the clamp tightened as you turn it. Then, holding the jar tightly with your other hand, keep twisting the handle until the lid loosens. How it works: Place the clamp on top of your lid and turn the handle until it tightens. It’s basically an adjustable stainless-steel clamp attached to a plastic handle that looks like the top of an old-fashioned corkscrew. If you don’t want to fuss with batteries or make room in your kitchen drawer for the Robo Twist, your best option is this gadget. We didn’t test the Robo Twist for enough time to know how long its batteries would last or how it would hold up to frequent use, but after more than two dozen openings, it was doing just fine. The instruction manual suggests lightly holding the sides of small or tall jars-presumably more prone to spillage-and that seems prudent, really, with any container. It does not recommend using the device on plastic items, so you may need something else for those pesky mayonnaise and peanut butter jars. The manufacturer says the Robo Twist should work on lids ranging from 1.2 inches to 3.5 inches across, and everything we tried was in that size range. When all is said and done, you simply wait a few seconds for the arms to reset to their original position. Once that happens, the inner arms twist and-voila, every time-the lid opens, often with a satisfying pop. Let go of the button as two inner arms move into place rubber grips around the lid. Keep the button pressed down as two outer arms with rubber grips move in toward the sides of the jar or bottle. Here’s how it works: You place the pod containing the motor and two AA batteries (not included) on top of your jar and press the big green button on the device. ![]() It even worked on a big pasta sauce jar that, for some reason, was mission impossible for a very similar automatic device. The Robo Twist gets our highest rating for a simple reason: It was the only device we tested that easily opened every container we tried, from a wide-mouthed pickle jar to a small jam jar.
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