Sunglasses
Its bright almost every day at this time of year, making eyewear a must.
Iced lemon tea
'Dung ling tsar' in Cantonese. I cant get enough of it, a perfect thirst quencher when your its 30 degrees & your lost in Mong Kok.
Octopus card
A great way to avoid unwanted coins!
Suitable footwear