Above water

Harry with bite-blocks near him

Bite-block protects the playable characters from getting eaten by predators including predators from air who can eat the playable character while they breaching, they can also protecting the fishes that are chasing you.

including for eating Butterflies and Mayflies or get Ballonificated power-ups if your character was bitten and it bite your Bite-block fish shows a Large Sparkle and Disappear.

Bite-block right.
Bite-block left