Duck skip

Step 1

Step 2

Spam button (not to much) Note: make sure all the barrels are under the floor (under the platform) if they aren't, throw them off the stairs

Step 3

stand slightly to the right of button and blow up barrels Note: Standing on top of button is more reliable (credit - trashpandamakingyt)

Step 4

Attempt to land in lava in Backward bunny hop room

Step 5

YOU DID IT YAY!!!