Sketchers opened a restaurant at its Gardena store — and it’s been a hit. The concession stand, which serves “Costco-style” food that’s supposedly tastier for a slightly higher price, has quickly earned the attention of food bloggers and influencers and serves more than 2,000 people a week. “It’s not some place you take your wife or girlfriend for dinner, but if you’re looking for a quick bite, in and out, it’s perfect,” one patron said.