levit, who's smarter than diem, studies aftersplash prevention  and has developed a structure which helps to avoid aftersplash time and time again
creating a structure made of toilet paper to avoid the aftersplash sensation
"levit, who's smarter than diem, studies aftersplash prevention  and has developed a structure which helps to avoid aftersplash time and time again" What is the definition of "aftersplash prevention"?