Conversation so far:
What were some of Tom DeLay's legislative and electoral methods?
used promises of future committee chairmanships to bargain for support among the rank-and-file members of the party.
Did he usually keep his promises?
CANNOTANSWER.
Did he have any other methods or tactics?
Employing a method known as "catch and release", DeLay allowed centrist or moderately conservative Republicans to take turns voting against controversial bills.
Was this effective?
Both political supporters and opponents remarked on DeLay's ability to sway the votes of his party.

Question: What was he most known for?
Self-contained rewrite: What was Tom DeLay most known for?