[spaghetti]

Thanks all, interesting debate going on.
I should also apologize to Miles now that' I've tried a gunhandle-spike-float attachement as he suggested: much less annoying than I thought. Quick, simple, effective.
I used a clear monoline with bits of silvery tape to make fish more curious than scared by it. Aspetto worked out fine. But still I think that a gun-to-float line is no good for the typical mediterranean agguato hunt in shallow rocky & weedy bottoms.