Jubilee clips

These latter are once-only, fitted at the factory. You have to cut them off and replace with adjusrable ones.

Dunno. Ther answer may depend on where and what car. I would imagine that, in general, hoses need clips. But there may be instances where there is little or no pressure and the hose will remain in place without a clip.

Rob Graham

Things like vacuum hoses often don't have clips. Which is fine 'till the rubber hardens slightly.

Are you saying that it is worth putting clips where there were none? I remember a discussion on Jagforums that clips could be worse than none in some cases, although perhaps this related to some fuel lines that were designed to be clip-less.

Interesting, i wonder how come clipped could be worse than non. Apart from a badly applied one crushing something.