EasyFlint
Minecraft 1.19.3 Spigot plugin to make flint collection pleasant and/or easy
Features: you can obtain flint from gravel by right-clicking with empty hand(can hold too)
Curseforge: https://www.curseforge.com/minecraft/bukkit-plugins/easyflint
SpigotMC: https://www.spigotmc.org/resources/easyflint.108525/