Here now is a practical demonstration on impulsive tension, and why a large force applied for a very short period of time is bad for tow hooks.

"Well that's what you do with these straps, you just go."

"No."

Remember, when towing with a tow strap, to always pull very slowly; a little force can go a long way, if you know how to apply it. Which is gradually. You want to apply it gradually:

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H/t Boing Boing