Crab Jump is a sequence break found by TheBestestDill

typically the player needs the Double Jump to reach this button that gives access to the Trident https://imgur.com/a/y0aOAo1

however taking a hit from the crab at the peak of a jump causes the player to gain enough height to reach the button

this sequence break saves time as it reduces the amount of backtracking the player has to do to get each essential item