Whilst I'm not quite brave enough to abstain from spending any money on clothing for a period of time i.e. one year or six months, I do set budgets. The budget for clothes etc. this month is zero, as it is for next month. This is due to an overspend last month. If I have an overspend that means something went on the credit card so I must pay it off first.
I'm quite miserly with my credit card it has a limit of £1000, and the only reason it isn't lower is because they won't do less than the limit I have. I'd have to go on some credit card which was for people who couldn't be trusted with their money due to bad debts, (hello - why do you think low limits are good!) and pay very high monthly interest.
On my wish list is a new bikini top and a pair of fit flops (yes I know style wise hideous, but it might help to keep pin perfect, I figured they'd useful for in betwen places and nursery jaunts).
In a complete grown up fashion I've hidden my credit card (well hubbie has) until then end of the month. I've allocatted myself some cash for the next few weeks and have a zip purse which has enough room for coins and notes - no cards.