Maman and Caughnega have been making a catspaw of you to do their dirty work.
What astonished me most, however, was the facility with which the Baron made a catspaw of him.
She was commiserated as a catspaw, and sneered at as a dupe.
Was this little alien waif to be made a catspaw for her revenge?
Catspaw: To apply the purchase or tackle to the fall of another.