God I'm such a spanner, drilled loads of holes in the second skin of rim, lightened it by 200g result.
go to the next stage, Big hole cutter, to make it really light and the Flinkingbastarddrillthingymebobbins snapped causing the hole cutter to mangle the rim beyond all repair. It looks like a flippin grizzly bear has been chewing it.
I'm not normally such a duffhanded tosser, but I really have outdone myself!
new one on the way and this time I'll give to a nice man who can make a decent job of it.
I'm hanging up all my tools and never touchin anything bike related ever again.
a very sad and somewhat lighter in the wallet tazzy

