br pWhat happens when you throw a rock into a tree? There are potentially many different outcomes, but the exercise usually doesn’t encourage a huge amount of pollen puffing out.ppAs Clint Rusing, the thrower of the rock at his home in Prescott, Arizona, explains:pbr p“I was sitting in my house and looked out of the window and saw all of this stuff swirling around outside and thought it was smoke”, said Clint.pbr p“I ran out because I thought there was a fire, but I realized it was just coming off of the tree. I grabbed my girlfriend and had her film me throwing a rock into the tree.