I have mild stress incontinence and use washable light panty liners. They are brilliant, and also come in various lengths and absorbencies. I got mine on line from the Ethical Superstore, but they are currently all out of stock. The ImseVimse brand are the best for me, available elsewhere, listed under washable menstrual pads rather than incontinence. The branded ones have a leak-proof layer , which some of the homemade ones on Etsy, Ebay etc don't.
There was a similar thread on GN a while ago, I will try to find it and give you a link. Good luck!