I have motherease wraps, which work great on my 6month old, but when I use them on my 2yr old they leak through the middle not the edges iyswim (different size for both)I didn't buy them new, but theyre not very old, can anyone sugest anything to make them work again, or do I need to go back to dispossables until hes potty trained? only started using clothies after got the hang of it with my littlest (around a month ago) but this is a reacuring problem, and hubbie says if he finds another wet patch on the sofa hes throwing them away! HELP!!! (please)