When inside a boat on land, if you press the sprint button, move a few blocks, and then exit the boat while sprinting, the character hands disappear in first person (They disappear when you sprint, and wont reappear when exiting the boat), making impossible to break/place blocks (sometimes possible to break [^Minecraft 2020.05.31 - 01.30.28.03.mp4]on creative), get inside the boat again or eat any food.

Below, an example of the character hands and shield not showing