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Titleist AP2 714 Irons

Clean them with a dry fibre mop and if you have to clean them,
Callaway X2 Hot Pro Irons, use a very very dry squeezed out cloth with metholated spirits and water. Laminate flooring can even expand in winter when just the air is damp I have seen a floor expand by up to an inch all around during winter a very cheap quality one though. Hope that helps.