Tried that. I've made pressed, round, bicones, ribbed, flat, large,small....1 oxy, 2 oxy, different flame sizes, different seconds in flame, positions in flame...
The beads they show on the site are just 'normal' beads.
I can work every other DH glass, I have to come to terms that I have to break up with Iaso
I think with the last rod I'll blow some shards and see what that does, sometimes that kicks in naughty glass.