opposite

ENEMY: Draw the hands up, the right close to the body, forefinger extended and pointing away from you, and the other hand with forefinger in similar position but opposite and pointing toward the right finger; then draw both hands away, holding them momentarily in a menacing attitude.

oysters

OYSTERS: Hold the hands palm to palm; draw the right hand away and up; then with a motion like cutting with a hatchet throw the right hand downward against and beyond the left so that the palms rub as the hands pass.