I really don't think you need to felt a wool knitted cover to make it work. I know that it must be properly lanolized or else it will leak. Maybe some other Mama can answer with more certainty but I've never heard that feliting is necessary.
Originally Posted by kc7fid
so i keep wandering if i buy say the LTK longies pattern and knit them do i need to felt them? do you need to felt hand knitted longies/shorties if you want to use them over a fitted as a cover? if you dont will they leak easily? HELP!!