opens cans, poorly. disappointing.

just ordered. try to open two small cans of beans. I lock it on there and the first thing it does is fall off. It struggled to maintain the track and to open the cans. at one point it was not able to make any forward progress and I had to take it off and put on again many times. It did not lift the lid at the end. very disappointed. It worked the same as the $3 from the grocery store. I doubt it will last.

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