Grapple Teleportation
From A complete guide to Super Metroid speedrunning
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If a transition is triggered while Grappling, Samus will be teleported in the next room to wherever the game thinks the thing she is grappling is. So she should be transported to wherever these coordinates are, which in the next room could be somewhere very different.
The two ways I know how to do this are: Moonwalk into a transition just as you grapple something, and Grapple-Bomb Hanging.
