If you can find any, graphite penetrating spray would be ideal for getting something deep in between the surfaces. Not really something that'll make your evening any easier though, you'd already have thought of it if you had any.
@Emyr started
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If you can find any, graphite penetrating spray would be ideal for getting something deep in between the surfaces. Not really something that'll make your evening any easier though, you'd already have thought of it if you had any.