It will be more secure, but they sound bad.
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I would be possible to use WBT locking banana.
The opening is rather large where the wires go in.
If you have spades on your wires, you might be able to just trim the spade off the crimped portion and insert the crimped portion into the WBT socket.
This is a sloppy fix, but give you locking bananas.
And the wires can be converted back to spades with another set of WBT spades similar tothe bananas...
(I use WBT speaker connectors and love them)
Otherwise the AudioQuest bananas which a spade is attached to the banana is the next best bet.