MonroeStrut-Mate 63631 Suspension Strut Bumper and Bellows Kit

How did you guys made to fiz the bottom part of the boot on the Shock? There’s no clip and the boot does not have anything to click and hold it

The instructions on the box are difficult to understand, i.e. what plastic retaining ring is suposed to "snap"? Also box says use a plastic tie..

63631 son par?? 63 631 vienen en un par de izquierdo y derecho

is it left and right