MCPE-182977When killed by "Kinetic Energy" in a corner, items will sometimes glitch into the wall
When using an Elytra and fireworks, if the player hits a corner at a particular angle and speed and dies, whatever armor they are wearing will glitch into the wall. This is most easily reproduced by flying toward the Ominous Vault in the Fountain Room of a Trial Chamber.
Here is a link to a video I made demonstrating the glitch:
