A variation of the multiple bounce roll. Also known as a press roll this roll requires more than three bounces from each stroke. It is also classified as an closed roll because it has more than three bounces from each stroke.This sticking pattern is indicated with the symbol " Z" on the stem or over the note or the use of three slashes on the stem or over the note.See also roll, press roll, closed roll, multiple bounce roll.<br><br>One of the 40 drum rudiments. Often confused with the double stroke roll, it is played by executing multiple bounces in each hand and then speeding up. Other names for this roll are the "crush roll", the "press roll" and the "multiple bounce stroke".