Inspired by this video: https://www.youtube.com/watch?v=MayJU_y-5o0 First thing I did was toying around with keywords in FO4Edit. By adding "ma_machete" keyword to ripper I could attach machete mods to ripper. It gave the same unfolding equip animation like the video except the weapon still had crappy original ripper attack animation. After that I thought: 'if I swap machete blade's.nif file with ripper blade's .nif file can I trick the game into playing that cool animation but still use the ripper blade?'. Unfortunately it didn't work and I thought 'maybe there is something special in the .nif file itself that triggers the hidden animation'. So I tried to compare machete blade's nif file with ripper blade's nif file, looking for different flags, or whatever clues I could find. But nope, as an unexperienced modder I coudn't get a slightest clue to actually notice the difference between those files. Lastly, I opened Ripper.nif in nifskope and there was "16 NicontrollerSequence" section with name "Bladeopen". Since the animation is already there, can I just make the game play that animation when equipping the weapon? I really hope there is an easier way(simply changing values in FO4Edit or nifskope) to do this without involving hkx files or other complex stuff.