26-03-2014, 00:34 
	
	
	
		Yes I am using the kangzhu cups and they are indeed very comfortable.
I normally never have any ring marks, only when I wear the cups for a long time, like 30 minutes without break. Most of the time I wear the cups for 10 minutes, then take them off, massage for some minutes etc...
	
	
	
I normally never have any ring marks, only when I wear the cups for a long time, like 30 minutes without break. Most of the time I wear the cups for 10 minutes, then take them off, massage for some minutes etc...

