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You can see from the picture, and especially the video, that the current at the lip isn't strong, but kids can lurch any which way without any current at all.
Also, while the current may not be strong, you have no idea how strong the lip is, and without the lip, the current could get a bit stronger.
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|...............| We live in the nick of times.
| Len 17, Wid 3 |
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