Watch free video How to Use Crutch

(5.91 MB) added on 26 May 2016 271 play times Tutorial How it works Health
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How to Use Crutch

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spaceplay / pause

qunload | stop

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shift + ←→slower / faster

↑↓volume

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←→seek

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Animation description:

The video illustrates how the crutch has to be use correctly and the undue uses of this one.