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In left image, take advantage of the 1 frame wide zipping that may happen if you face left. Similar situations are found elsewhere in the game. [1]
In right image, jump the ladder instead of eagerly climbing it. Possible combine with horizontal early ladder grab (grab, release, jump).
[#1]: Actually, they are all found in the Geminiman level and the Geminiman revisit level. There's one more in the beginning of the second last level, but the effect should be avoided there. (Incidentally, that's the only place where Kopernical did it.)