Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to rolf yourself [title] Purchase a foam roller or lacrosse ball. [step] There are several pieces of equipment designed specifically for myofascial release. Purchase a foam roller, lacrosse ball, or specialty myofascial release tool online.

Ending1: [substeps] You do not need to purchase a basketball or tennis puck to use the foam roller. You can rent or buy a lacrosse or tennis stick from a sporting goods store. Ending2: Read reviews on the tools before you purchase them to make sure that they worked for other people. [title] Locate sore trigger points on your body. Ending3: [substeps] Anywhere from 4 feet (1.8 meters) to 3 feet (1.4 meters) is good for leakage. Make sure that you are able to set your mat or train the balls in a safe manner with the roller. Ending4: [substeps] These can range from $20-250 usd tools and are available both pre-and subscription models. Some sports stores are on sale with foam rollers that have been screened.

Answer format: ending1/ending2/ending3/ending4