Double Helix 104 glass s a new reducing glass with a 104c.o.e that works with Effetre, Vetrofond, Lauscha and Ask`104 glass.Available in over 40 colours the lengths are 13" long and 5-6mm dia.
Double Helix Glass have created video tutorials to help with using their colours and getting the best from reducing/striking techniques.
https://youtu.be/WUpQnCbRR9Y?list=PL7FBD940F8DBCBE42 laso reduction
https://youtu.be/WUpQnCbRR9Y?list=PL7FBD940F8DBCBE42 reducing and encasing Okeanos
https://youtu.be/WUpQnCbRR9Y?list=PL7FBD940F8DBCBE42 striking Okeanos
https://youtu.be/c94kXpzz8Zo practice striking with Terranova
https://youtu.be/Dmn6AtS5ads practice reduction with Triton
https://youtu.be/iqCPyAi68mE Nortel Minor Flame settings explained for striking and reducing