1) While engaged in the act of copulation in the canine position or doggy style, and the male (or female with a strap on
dildo)in the rear position senses that their partner (what ever their sex) is achieving a climax, the rear partner
will strike, with less than lethal force, the back of the head of the partner in front, giving added intensity of the mind boggling climax, and usually ending an other wise dangerous
relationship.