Looks similar but I don’t think it’s that. Dammit I didn’t want to rip the tub off to find out how these were screwed on but I might have too now.
The part where you unscrew is normally very close to to tub itself. Like, within the rim. You'll struggle to remove without removing the tub.
@croft started
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Looks similar but I don’t think it’s that. Dammit I didn’t want to rip the tub off to find out how these were screwed on but I might have too now.