On the last day of The Artist is Present, seven guards escorted Josephine Decker away after she performed this action. In Marina Abramović’s Imponderabilia, two performers are instructed to perform this action then stand facing each other at the entrance of an art gallery. (-5[1])After approaching the table, Carolee Schneeman performed this action at the beginning of her piece (*) Interior Scroll. The “living paintbrushes” undertook this action prior to applying International Klein Blue in Yves Klein’s Anthropometry series. The audience is given scissors to perform this action on Yoko Ono in Cut Piece. For 10 points, identify this action which models had to undergo in preparation for pieces like Botticelli’s Birth of Venus or Michelangelo’s David. ■END■ (10[1])