latch onto

Lead is absorbed in the small intestine, where it can latch onto cellular receptors that evolved to carry iron and other metals.

“They were ours, you latch onto your own,” she said.

On its face, this is an odd issue to latch onto, given that it directly affects just a teeny-tiny number of Americans and, in the grand scheme of things, is pretty low-stakes.

The Dodgers love to latch onto pitchers such as this, with great upside potential upon recovery.

If an idea is good politics — maybe even good policy — latch onto it.