Editing Lone Echo Speedrunning Guide (section)

=== Head Bash Item Clipping ===
Tenka discovered that you can consistently clip some items through doors. This can be performed by placing the object against the door, and pressing your head against the object until it pushes through. I find it’s a bit easier to perform if you move your head slightly back and forth. Alternatively, you can do a headbutt motion, but the item flies quickly through the door and you cannot grab it. Not all objects are clippable however. Objects that are too large, or are rounded in such a way that they roll when you press your head against them, will not clip through doors.