Some oddly-shaped baseball bats have become a hot topic among fans and players, after the Yankees’ so-called “Torpedo Bats” seemingly helped some sluggers hit multiple home runs.

The torpedo bat has taken the baseball world by storm. What are the players and experts saying about this new piece of hitting technology?

Engineered by a former MIT physicist, the torpedo bat is completely legal under MLB rules. It meets all dimensional requirements but redistributes mass toward the barrel, creating a larger, denser sweet spot.