According to Karbasivar & Yarahmadi (2011), more apparel impulse buying and promotional approaches (cash discount) usage between sample, as well as in-store form display (window display) has important role to encourage consumers to buying impulse. They can gift complementary products to encourage consumer to buying impulse. Also sealers can increase
apparel impulse buying with decorating their stores in modern style and use attractive lights and colours. The result of the study proves that there is a pivotal relationship between window display, credit card, promotional activities (discount, free product) and consumer impulse buying behaviour (Alice, 2006).