Ive seen those at Michaels and Hobby Lobby... but don't trust glass! lol. I'm currently using some home made domes one set of which has a 9cm opening then balloons out to about 12cm... acts like the fish bowl idea... Then I have this...... www.breastnexus.com/showthread.php?tid=17390
which is a bit smaller but a lot longer... they both do different things.... The 9" ones give me uber swelling.... so much its sometimes hard to remove...
which is a bit smaller but a lot longer... they both do different things.... The 9" ones give me uber swelling.... so much its sometimes hard to remove...