Women should be able to open things
worldspiritsockpuppet.com
worldspiritsockpuppet.com
Second reaction - If you want the food to be safe to eat, but without the extra cost and hassle of jars with separate home-canning-style lids and bands, then being hard to open may be pretty inescapable.
I think you need to know about the JarKey (https://www.amazon.ca/dp/B00167Z2UO/). Does the job without any risk of damaging glass or even the jar lid itself.