OK, so I was messing about on Outset Island, doing random glitches, when I did an upwards ess against the far left wall of Outset Island, right of the small grass patch with a pig, and I clipped through the wall and superswam (superswimmed?) through the ocean. It would be awesome if it is useful! Thanks for reading.

EDIT: For the item slide I moved the stick down, paused, held an upward ess, and paused. Sorry for the clarification issues.

I'm afraid I don't know which wall you mean, when you say left do you mean east or west and which pig, sorry I'm just having trouble picturing this, also sick that you found a superswim out of a clip those are pretty rare depending on the speed you have with the swim it may actually be useful, if I knew which part you were talking about I'd mess wiht it to see if it was consistent and see if there are ways to change how much speed you get the clip with, if you want a link to the speedrunning discord is on the discord tab of this game, that's where most people talk about things like this so feel free to join