There’s ink everywhere and I don’t know what to do with my hands.

You are fast :) I recommend to lubricate the pen parts with silicone greese, here are instruction: https://youtu.be/pfFXtFUEEGE Use it to lubricate piston inside the barel and threds on nib unit.

If you feed missaligned, try to align it with you fingers, it shouldnt be too difficult: https://youtu.be/M1b5YmflnRQ Try to align it with fingers and do not push too hard, if it dosn't help - it is not you fault. Aligning of feed on pelikan nib units maybe sometimes impossible without disassembling of nib unit and you can damage nib or feed. You need to know how to do this right, or/and be ready to buy new nib unit.

And last video, how to fill pelikans: https://youtu.be/Cdu6TFEeQfM

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