• Stop by Opening Ceremony at the Ace Hotel to get a minx manicure by expert TracyLee. Manicures are $55, and customers can choose from a variety of colors, animal prints, metallics, plaids, and tie dyes. 1190 Broadway, nr. 29th St. (646-695-5680); Noon–5. Call to make an appointment.
• At Obesity + Speed's sample sale, graphic sweatshirts are $40, ponchos are $85, and pleated skirts are $10. 178 Mulberry St., nr. Broome St.; noon–8.
• Fall and winter merchandise is up to 40 percent off at the Matthew Williamson sale. Strapless sequin dresses are $2,100 (originally $3,500), lace overlay skirts are $417 (originally $695), and futuristic beaded necklaces are $597 (originally $995). 415 W. 14th St., nr. Ninth Ave., (212-255-9881); 11–7.
• Jodi Arnold’s art-inspired fall/winter collection is 50 to 70 percent off at the store's sample sale. 56 University Pl., at 10th St. (212-228-4410); 11:30–7.