For instance, by having them form two lines, men on one side and women on the other, and then roll slowly across the floor with their eyes closed until they bumped up against the others rolling from the other side, they gave them their "first contact," and after that it came more naturally.
譬如要他們男女分做兩邊，閉著眼睛慢慢滾動，滾到對岸把身子疊在一起。有了「第一次接觸」，下一次就自然一些了。