I have an old hex that I didn’t use,sorts out most ailments
IME people who claim that sort of thing are all Torx and no trousers.
Thanks for the suggestions so far – sadly it seems that hitting bursas with bibles, worktops or phones isn’t a good idea after all. Might try the brake syringe though – but am I running on mineral oil or DOT4?
Oh and the tablets? Normally they just say “take three times a day” but the instructions on those are a bit more comprehensive