The idea is great, execution disappointing ...

If the product suggests that it adapts to all your zippers, the reality is quite another.
Despite a range of sizes, I tried all the shuttles on 2 different closures, nothing worked, none worked. In addition, the smaller would not stay closed, impossible to try correctly.
Too bad, the idea of ​​repair to its low cost and quickly zips was tempting! But when the shuttle becomes a turnip ...