Mari the Cavalier Climbs a baby gate

So, our cavalier/chihuahua Mari SOMEHOW has been getting over the baby gate we installed and we cannot figure out how she possibly does it. She has never done it when we're home, and now we've resorted to barricading the gate with chairs. Today I was determined to figure out how she does it...so I videoed her while I went out for a few minutes....and here is the result! She is nuts

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