This innovative product sold furiously off the bat, reaching 1 million units the first year, and leveling off in subsequent years to a still impressive 400-500,000 units per year.
這款實用新產品一推出即造成熱銷，當年即創下 100 萬支的銷量，之後每年平均也熱賣 40 ~ 50 萬支，是吳增榮的得意作品之一。