One thing to think about. Regardless if you use the command strips, toggle bolts in the wall or whatever when you are driving the trailer will bounce and I have had a picture bounce hard enough that it came off the hook.
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The putty is intended to tack the picture to the wall so it won’t bounce of the hook or what ever is the primary hanging device.
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It also depends what your tying to hang. We have a picture frame that my grandkids made and is normally meant to set on a table or shelf. The material the frame is made of does not hold very well to the tacky putty, but it does not have glass in the frame.
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All of the other pictures stay on the wall so far. Nothing is certain but the command strips and tacky putty seem to work pretty well.
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