Answer: coattail

AnswerCrossword Clue
COATTAIL

Jacket hanger?

COATTAIL

Metaphoric source of support

COATTAIL

Something to hang onto

COATTAIL
Blazer part
COATTAIL
Jacket feature
COATTAILJacket part
COATTAILJacket flap
COATTAILGarment part.
COATTAILCandidate's riding habit, at times
COATTAILHandhold for a hanger-on
COATTAILFormal jacket feature
COATTAILMen's formalwear feature
COATTAILPart of a formal suit
COATTAILFormal-wear feature