Produce Manager here. Place the end that opens directly between your two palms, and rub your palms together vigorously. The bag will stick to one palm or both, opening every time. Please stop licking your fingers to open these bags and then picking through our vegetables. You're gross.
If you listen closely you can hear him whisper words of wisdom such as: "I've tried both ends five times now!", "I think this one must be defective!", or my personal favorite "I don't think these are the same brand they had out last week!"
Highlight of my life was shortly after I broke my arm, someone saw me struggling with one of these one-handed and opened it for me like the damn lockpicking lawyer. I've considered taking my sling with me shopping ever since, in case I need another good Samaritan to open one of these godforsaken bags again
Breath on your fingers like you're trying to fog up glass. Immediately open by running your fingers in opposite directions along the edge, using the additional friction you created.
Put the opening "line" between your big hands and rub it; both hands goes along the "opening line", one hand moves one way, the other hand the other way for say some centimetres or an inch or two, change direction, repeat.
One of the best life tips I've ever gotten was from some random stranger as I desperately struggled with one of these things: Most times if you slide one edge up and one edge down it pops right open even with super dry skin. Not sure why this works when sliding the halves sideways does not but it dies!
Those bags are almost useless, just throw the vegetables directly in your grocery bag at checkout. It's nice to take one to isolate chicken from the rest, or to put on your bike seat for rainy days, but definitely not useful for veggies.
Man, this stuff is so embarrassing. There have been so many times, I've skipped on buying fruits just because I couldn't open the bag and my anxiety engaged into overdrive