weapon_headcrab?

So playing around in game files as I often do, I stumbled upon weapon_headcrab, which upon picking up your screen gets blocked and you’re damaged over time as a headcrab screams at you until you hit attack, where upon you throw the headcrab off of yourself. Sadly, the screen blocking effects are missing. Does a dev happen to know what material path that it’s supposed to use?

Would love to have it working if not just for the novelty. Could see it used in a zombie gamemode maybe, in a custom SP level/campaign somewhere along these lines, or have a chance of happening when attacked by a headcrab, as seemed to be the original purpose of it.

I believe this is from an old game mechanic where ingame headcrabs could attach to you just like in the benson trailer, I think it was going to be used for the hard difficulty but was removed, though I do wonder if it will be implemented again.

neat idea.

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