All Blacks great Sir Buck Shelford has lambasted Joe Marler's comments about binning the haka.

The outspoken England prop -- who's sidelined with a foot injury -- labelled the pre-match tradition 'ridiculous' on social media, adding it's only any good when teams front it with some sort of reply.

But Shelford says the All Blacks don't get any advantages from it, and that's no excuse for losing to them.

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