Definition of "latch on" []

• To grasp firmly; to become attached to. (verb)

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• "I called up the paintbox and traced the course of events at HiTek again, from Flip's misdelivering Dr. Turnbull's package to her fiddling with the latch on the gate, but this time I also fed in Led On by Fate and the bread pudding, Management's sensitivity exercises, the duct tape, Elaine's exercises, Shirl's smoking, Sarah's boyfriend, Romantic Bride Barbie, and the various skill levels of caffè latte."
• "If she even hinted something was wrong, the yellow-robed male would latch on to her like a high-security docking clamp."
• "Much of this activity is linked to the party's 90th anniversary on July 1, but many Chinese and foreign analysts say it will have a more lasting effect as China's leaders latch on to Mr. Bo's populist policies, dubbed the "Chongqing model," as a way to reassert the party's central role in the economy and society."