In reply to Dave 88:
Even Andy Kirkpatrick thinks the modified grigri is too dangerous to use....and he's f*cking mental.
Roped soloing is not for the sane, most sane people have friends/partners to climb with, hence my array of soloing devices and techniques.
@tommytwotoes
I would also suggest it's not something to just "have a go at" as your belays have to have some specific quirks to work adequately.
Try to avoid traverses, they are really interesting to clean, unless, like me, you take perverse joy in the challenge.