Amid an intensified crackdown in Singapore, some vape retailers in the Malaysian city are continuing to deliver the devices across the Causeway. JOHOR BAHRU: Singaporeans continue to make up majority of the clientele for vape businesses across the border in Johor Bahru, according to shops in the Malaysian city, amid a sweeping clampdown on the electronic devices back home. One retailer estimated that 95 per cent of its customers were Singaporean. “Just yesterday I had a Singaporean customer who