Answer:

chink

Answer	Crossword Clue
CHINK	Armor problem
CHINK	Armor defect
CHINK	Armor trouble

CHINK	Armor imperfection
CHINK	Jingle.
CHINK	Sound of struck metal.
CHINK	Crack.
CHINK	Slit.
CHINK	Small rent.
CHINK	Small cleft.
CHINK	Fissure

CHINK	Interstice
CHINK	Small fissure
CHINK	Armorial flaw
CHINK	Armor flaw
CHINK	Narrow opening
CHINK	Crack in one's armor
CHINK	Not a good thing to have in one's armor
CHINK	Crack in one's armor, e.g.

CHINK	Bad thing to have in one's armor
CHINK	Armor's flaw