This level gives you hammers, because you need them. The end of the level is probably the hardest part of the game. You have to hold B to run, but you have to let go and hit it again to throw a hammer. So every throw has to be done in anticipation of the bats, with enough accuracy to hit them.
Reuploaded with better quality.
![](https://i.ytimg.com/vi/dPImrrcA3hE/mqdefault.jpg)