$70 Electric Cutouts from Amazon on my 1955 plymouth! are they worth it? How to install cutouts

If you want to buy these and try them out here is the link. amzn.to/3QhyBKT
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Today i install 2 cheap amazon electric cutouts on my 1955 plymouth 2 door wagon. will they be worth a crap, or are they garbage? lets find out.