https://www.justbatreviews.com/blog/does-bat-rolling-work/ Here is the bat we test in the video: https://amzn.to/2zseuUy Here is the roller we use: https://ebay.to/2N0vQK0 We find that bat compression does work, at least a little bit. However, the results in our test were not overwhelming different. This might change if we tried to test a USA bat or a USSSA bat. We also might find more success using a fastpitch of softball bat. | BatDigest