Knife-sharpening available Aug. 5 and 19 Rossmoor’s Wood Shop at Gateway Center will again be offering its knife-sharpening service on two Friday mornings in August, on Aug. 5 and 19. The sharpening meisters, Al Kaufman and his brother John, will be there from the shop’s opening at 9 a.m. until noon. Knives can be dropped off in the morning when the shop opens and picked up later anytime