How do you fix interchangeable knitting needles?

How do you straighten bent bamboo knitting needles?

9. Knit the straight and narrow. To straighten out plastic knitting needles, boil water in a pot on the stove; hold needles over the arising steam; remove from steam and straighten with your fingers; plunge straighten needles in cold water to set.

What is a cord key?

A pretty version of that little tool that came with your interchangeable needles. This one-of-a-kind handmade tool facilitates easy tightening of the needle onto the cord connector.

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