There are many tricks in Overwatch that many players don't know about until they discover them online, admittedly some being more useful than others – like this one that lets support heroes charge up their Ultimate for free.
A hilarious, albeit useless, technique that lets Hammond use his grappling hook while in "crab mode" is cracking players up, and is a good way of causing a distraction for the opposing team so your squad can push for a win while they stand there asking themselves "what the heck is that?!"
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