cant do a exchange because of a club card

I went to clicks on Friday at blue rout mall cape town, after browsing online.as I was looking for a hair dryer and flatiron ,then saw what i want online went to the store and buy if, got home and was not happy with the quality then decided today to take it back and just take a other hair dryer in the place of the two items witch i was not happy with, got there took out my slip then only was told i need to have my club card witch i did not have on me, then this lady tell me i have to have the club card then only they can change these items i then had to go back home to fetch the card and come back again to the store after I said to the lady but cant you help me with my id she ten said no they cant but why don't it state on the slip when you buy something you need to have your club card it only state slip only now i had to spend so much travailing money up and down to just exchange items i was not happy with, this it not fair that they could not help me and i had to spend on double traveling up and down to the store just to change these items I'm deeply disappointed and not even a apology would make me shop at any clicks store again even thou I believe in only buy electronic items from them but never ever will i buy from clicks ever again after this experience where they could not help me because of a club card .