We have always used museum putty, but have recently changed to this stuff. Seems good. Same product Marathon uses.
https://www.amazon.com/dp/B07YB1ZXG6...roduct_details
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We have always used museum putty, but have recently changed to this stuff. Seems good. Same product Marathon uses.
https://www.amazon.com/dp/B07YB1ZXG6...roduct_details
Another vote for the museum putty
There are a couple of different "strengths" of museum putty. Most things will only need the regular version but heavier or definitely top heavy items will be best held with the extra strength museum putty.