By Connie from Naples, FL
Their is a product called anchor points small tack with a sticky back , you stick to picture and no more moving see attached link
Used to be a product called blue tacky ( but now have seen it also in yellow) that worked well to keep pics straight. A small bit behind the pic and they will not move!
I too have had the same frustration! I tried sticky things and all too with no luck. However, I just purchased some 3M sticky squares (the foam ones that are double sided) and used those. So far I'm going on two weeks with the pictures hanging nicely!
When this happens it is sometimes caused by vibrations in the wall that you can't change. By hanging your pictures from two hooks instead of one. Put a hook on either side of the frame.
You can get brads so small it's almost not a nail. Get the photo straight, dot the corner (of the way it usually goes) with a pencil, take the photo down and put that little brad in so just enough sticks out to stop the frame from tilting. No one can see it and your photos won't budge.
I don't know what "sticky nubs" are in reference too, but have you tried the velcro tabs in the sewing dept. at WalMart? They stick on the wall and on the frame as long as you mount both to match up. You can add several along the wall and frame and they are hidden from view and hold well.
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