a hand in

*a hand in something

 and *a part in something
Fig. a part in establishing or running something. (*Typically: get ~ have ~ give someone ∼.) I would like to have a hand in the planning process. I will not let Jane have a part in this project.
See also: hand
References in periodicals archive ?
Angels shortstop Benji Gil has had a hand in six double plays, and the ex-Texas Rangers rookie starter raised his batting average to .