1.  Once you've trimmed your bezel wire and made sure it's a perfect fit around your cab, use your flat nose pliers to square up the ends where the bezel will be soldered.  You want to make sure that the two ends are in alignment with eachother.  

https://www.riogrande.com/category/tools-and-equipment/pliers-and-cutters/pliers/flat-nose-pliers

2.  Bring the two ends together in an over and under fashion to snug up the ends of the bezel wire to be soldered.  You want a tight connection because solder will not flow in gaps.