Looking for some good Half-Life jumping Tutorials .

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I've been looking for some Nice Half-life Jumping tutorials, i didn't find too many, The only one i found was the next one but it sadly wasn't a Helpful tutorial :

If anyone knows some good vids , i'll be thankful .

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Half-Life 2.

There was some bunny hop glitch that was patched out... or was it?

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Yeah, this bunnyhopping glitch was fixed a year ago if i remember, Some bunnyhopping glitches still exist in Half-life 1, so i was looking for vids for them, Since most of players are using them online on servers Making me look like a fool seeing them flying arround Crossfire :P . Any good vids ?

EDIT : Appearantly the Strafe jumping is also possible in CS:GO