Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to juice a softball bat [title] Get the right kind of bat. [step] Not all bats will be well suited for use in a bat rolling machine. Alloy or metal bats are not meant for rolling and won't gain much benefit.

Ending1: Composite bats are the best to roll and can gain a noticeable increase in performance. Make sure your bat is a composite bat before having it rolled. Ending2: [substeps] Steel bats, as they are highly recommendable because of their fiberglass coating, are " spare " bats that feel pliable when rolled. Steel bats will put less strain on your softball bat and are more likely to break off when rolling. Ending3: But they also don't have as much of a capacity as rubber bats. Aluminum bats are not suited for rolling and will not provide the same benefits as rubber bats. Ending4: Try several types of bats until you find the one that works for you. [substeps] Titanium or aluminum bats are good for rolling, but they're far more sturdy and will require much more work and maintenance.

Answer format: ending1/ending2/ending3/ending4