I do have some (see below). I don’t tighten the lid all the way, just enough for it to “catch” on the jar threads. For longer ferments I always use the fancy air tops. https://image.nostr.build/7cfb3be28a4ef0b67c37c5bbfa0bafb03f426f08f6eeb9f5ec817b33e4b1106d.jpg