I found one glove but I can't find its 'twin'. [=I can't find the other glove]
the 'twin' goals of reducing oil dependence and protecting the environment
Our town 'is twinned' with a town of roughly the same size in France.
(..) Hurry! See? Old village, lots and lots of new houses. Fire! Let's go! That's Fishlegs, Snotlout, the twins: Ruffnut and Tuffnut... ...and... ...Astrid. Theirjob is so much cooler. Come on. Let me out, please. (..)2010 How to Train Your Dragon