I can see it working, but finding the typical extender that is short enough for bracelets can be tricky since from my personal experience, even 0.5 cm can make a big difference in comfort.
I've seen many girls in Asia using this standalone connecting ring where they don't have to shorten the bracelet and just wear it with a singly motif dangling. But unlike the common way where people just use the VCA clasp to clasp it straight to the chain to let the motif dangle, which can damage both the clasp and the leave scratches on the chain because the clasp just slide up and down, this is a more gentle and precise method because you can choose to hook it to any links of the chain. I suspect for people who just need few extra links of space, this would be work wonder too. There is also double end extender that adds around 1 cm of length.
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