As per subject. Have tried a skoosh with the GUNK equivalent of WD-40, to no avail. Might try solvent (brake cleaner?) and a blast with compressed air, if I can get to some, next. I see graphite sprays recommended, but I dunno if I can get them here, though I can get pencil lead, so maybe I can blow graphite into it. After that I suppose I MIGHT try to take it apart, but I'm not very keen. Any other ideas? Lock picks? One consolation is its fairly low risk leaving it unlocked here even with stuff inside it, and I should make a sun cover anyway, so maybe I can live with it, and/or use a padlock.