How to achieve extensible double-harpoons in the style of the \xleftrightharpoons family of arrows from mathtools, but with both harpoons pointing in the same direction?

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Preferably without Tikz.

1 Answer 1


Something like this? A quick and dirty method...




\xrightharpoonupdown{but with longer harpoons}%


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Give the text to be harpooned as 2nd argument, in the first optional you can reduce the vertical spacing between the up and the down harpoon. If omitted, a default value of -10pt is used. This could be changed in command definition or when appropiate during usage of the command.

  • Ok, that's plausible solution (hadn't thought of using \phantom to hack two extensible harpoons to be of the same length). I'll give it a try. Thanks.
    – Roly
    Commented May 26, 2014 at 12:12
  • 1
    Perhaps you should change to -12pt also, it gives a better impression, in my point of view, the -10pt just were a first guess ;-)
    – user31729
    Commented May 26, 2014 at 12:13

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