Hmmm... I thought I posted this comment before, but maybe I just previewed. Anyway, [SW], maybe I am missing something, but I simply cannot make sense of your line as a follow-up to Rosie's. And judging by the silence here, neither can anyone else...
And greatly enhances the scenery.(CdM) Possibly, but he could be referring to those little chains that used to connect loose-coupled wagons. Anyway, I've broken all the rules by ending this one and nearly did so earlier, my first line being a bit too technical, perhaps.