latch onto

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.

I latch onto her perfect French braids and pull down hard until my knuckles go white.

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

Which leaves only the Pitt-Clooney magic, middle-aged vintage, to latch onto.