HI ,
You will find without too much trouble trumpet friggers in clear and coloured glass , and they work I have several ,comically you can find them on eBay being sold as ear trumpets !!!!
A good little series of 13 thin paperbacks by Geoffrey Wills 'English and Irish glass' has in N#13 Novelties and Friggers were you can see all the things that have been discussed , hats, pipes, bellows. trumpets, etc ,
cheers
Peter
ps a couple of mine added.