Answer: wrinkle

AnswerCrossword Clue
WRINKLEIngenious trick
WRINKLETwits
WRINKLEFad.
wrinkleto crease (to make a wrinkle in)
wrinkleA minor difficulty; a snag
wrinkleA slight line or fold in something, esp. fabric or the skin of the face
wrinkleA clever innovation, or useful piece of information or advice