She put down the monkey wrench and picked up the phone.

We threw a monkey wrench into a lot of people's hands.

But I can throw a monkey wrench into the works!

He started as they closed around the handle of a big monkey wrench.

Their eyes followed the small movements of the monkey wrench.

"That would throw a monkey wrench in my whole plan."

One little monkey wrench, thrown where it'll do the most good.

Thought I might toss a monkey wrench into the works now and then, but you know how it is.

"That would throw a monkey wrench in what we have done so far," he said.

However, such an event was not to be complete without a monkey wrench thrown in.