There is this mistaken belief that by taking the above action,
will save you from being robbed. To them, as long as you can afford
to go to JB to shop or eat, you are fair game.
What can you buy or eat with just small change? Curry puff, sweets,
teh-o?? If that is the case, better dun go there, you can buy them
stuff in SG.
Anyway, they won't believe you come to JB with just small change.
They probably thought you may have big change stuffed somewhere in
you. So they corner you, whip out knives, beat you up and force you
to produce your big change. Let's say you really brought along
small change just to buy sweets, teh-o and curry puff at JB, these
guys will still have beaten you up. Furthermore, they will get
incensed when they discovered that you are a real cheapo.....they
will probably stick a knife into you for being a cheapo and wasting
their valuable time in picking out the wrong target! 
