Restore at Kottivakkam on East Coast Road offers a 2 per cent discount on purchases if the customer brings their own bag; Kazhani Native Farms in Kottivakkam has placed a cardboard box at the entrance inviting customers to drop off extra shopping bags for others to reuse; and Tula India in Adyar encourages customers to bring their own bags, and those who forget are handed handmade newspaper bags