Antonyms of finger:
camouflage, conceal, disguise, hide, counterfeit, feign, sham, simulate.
Examples of usage:
  1. He could not lift a finger, he could scarcely turn his head, his voice was completely gone.
    "A Girl in Ten Thousand", L. T. Meade.
  2. " Give me that ring off your finger," she said.
    "The Duke's Children", Anthony Trollope.
  3. It was not the finger- touch that he felt, but the faith- touch.
    "How to Live a Holy Life", C. E. Orr.