RichThesaurus
have something in the palm of one's hand
vs
rule the roost
have something in the palm of one's hand
rule the roost
verb
To be the controlling member(s) of a family, organization, or other group.
How often have the words
have something in the palm of one's hand
and
rule the roost
occurred in a corpus of books?
(source:
Google Ngram Viewer
)