Most of us are familiar with radio promos. We call it schwag, we call them tchotchkeys, trinkets.. Theyare just small, cheap household items emblazoned with Radio call letters. Mugs are pretty common, as are T-shirts. But some of these are certainly not common at all. (see above)
Just look at this radio site:
Thanks to Mr. Bo Olofsson for even thinking to start a page about this.