mgs3_glitches:ladder_zip [Metal Gear Speedrunners]

Some history of the food zip. For the ladder skip, scroll down.

first instance of animation glitch by Apel - PS2

The original intend was trying to find a way to skip the Pain without usind the death pill.

recreated food zip by PlatonicGuy in Swampland

Lab Skip by Apel

Dremuchij North food zip done by Major Zero

new zip variant found in Fury fight

Horizontal application of the same zip

Food Zip to skip the ladder by Apel

done on RPCS3

Recreation on actual hardware: PS3 Super Slim - JP PSN HD version

Apel found this clip on April 18th 2022

To do - Series S/X:

note: consistency varies

have 3 food items
have 1 empty magazine
before entering the room you want to execute the zip in
Equip the DMIC, any grenade, any pistol and the knife, in this order
go into the area where you want to execute the food zip
make a save
Hard reset (recommended for EN US and EN EU versions)
(Hard reset on JP ver. 1.02 might not be necessary, proof: https://www.youtube.com/watch?v=uGEdhauyDPg)

Load the game and unequip the DMIC and equip any 3 food items
Go to the spot next to the ladder, face the west wall and point the camera downwards
Hold R2 and equip the food item (any of the 3)
Start running forward in a slight right angle and pause the game
Equip the magazine and the DMIC, unpause, don't let go of forward
if snake has enough space to T-Pose: Snake will T-Pose and start going backwards, but you will continue to hear his steps
The camera will zip up
Roll forward as soon as you can see the railing, or else you'll fall from too high up
Done

It's technically multisegment only because doing food zips in a full game run is extremely inconsistent, leading to freezes/crashes
the PS3 HD JP version 1.02 is less prone to freezing/crashing
the PS3 HD EN version 1.00 is inconsistent despite doing the same setup for the zip effect, leading to more crashes
doing the zip with not enough space surrounding snake leads to crashes, notably if snake touches the wall in t-pose state the game instantly freezes

to grab an empty magazine, best to empty the mag on the roof guard in the ocelot unit fight
to grab the one additional needed food item, you can knife the snake in the cave going to the pain in the “vent” part

There are other positions to successfully launch Snake from (see compilation here)
cancelling the fall damage would be ideal to not miss the timing when to roll