aricooperdavis
Moderator
Cantclimbtom said:No idea I'll have another go another day, maybe try drilling a tiny hole in the button to assist, if it's hollow maybe I can get solder inside it?
You should be able to see that it's hollow before you drill the hole, otherwise I wouldn't risk it Look at the little holes in this one, for example. You also don't want to completely block those holes, as they convert the potential bomb into a relatively less harmful catherine wheel/rocket