Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to stop on roller skates [title] Use your knee pad to stop. [step] Since it is typically recommended to wear safety gear when you are skating, you should have knees pads on already. To perform this stop, slowly lower one knee to the ground and allow it to drag.

Ending1: [substeps] Keep the pads on for 20-30 seconds, taking your knee pads off each time. Go slowly so as not to cramp or damage your knee. Ending2: Use your other knee pad to control your weight. Remember, you are pulling to stop! [substeps] If you do not have knee pads, grab a forearm strap with a hand rest in between the pads. Ending3: This sends shock out to both your knee and your hands. Your knee pads are laces, or compression padding. Ending4: This is a good stopping technique for beginners as it takes very little skill to perform. You don't want to rely on it, just use it as a backup when necessary.

Answer format: ending1/ending2/ending3/ending4