Crouch to disable elytra flight and land. Useful for landing on small platforms or disable elytras when in water.
Concept and code inspiration
https://modrinth.com/discover/mods?q=cancel%20elytra by InfernalStudios & Mrbysco / MIT License
https://modrinth.com/discover/mods?q=cancel%20elytra by KaseToatz1337 / MIT License