crinkling
  起皺
  Crin·kle v. t. [imp. & p. p. Crinkled p. pr. & vb. n. Crinkling ]  To form with short turns, bends, or wrinkles; to mold into inequalities or sinuosities; to cause to wrinkle or curl.
     The house░s crinkled to and fro.   --Chaucer.
  Her face all bowsy,
  Comely crinkled,
  Wondrously wrinkled.   --Skelton.
  The flames through all the casements pushing forth,
  Like red-not devils crinkled into snakes.   --Mrs. Browning.