I guess if you don't have a crimper
Those are the exhaust stacks of a Little Red Express truck.
Had a friend try to get me to use the Wagos, they are too expensive for me...almost a dollar a piece...I have many drawers full of wire nuts, they've never failed me yet. Just pull on the wire as you would the Wagos to make sure they don't come out.Amateur...Shoulda used a few of these, they're much more secure:
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Another entry for the ever-growing list of "Hey y'all....watch this!"