Brush cutter operation failure when the wrapping of the trimmer line on trimmer head is wrong

Τhe wrapping direction of the trimmer nylon line on the trimmer head was wrong (reversed) and immediately a malfunction occurred.
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The proper cutting of weeds with a Chinese-made bush cutter in a field with dense trees:
(https://youtu.be/mlt_CqEtxkc)
Cutting weeds with a Chinese-made bush cutter (P1):
(https://youtu.be/7O9Pl_5BNzc)
Cutting weeds with a lawn mower, overturning compost pile and finger injury (P2):
(https://youtu.be/7ECTkTRBUQc)
Cutting weeds with a lawn mower, overturning compost pile and finger injury (P1): (https://youtu.be/vZUIIHNq_5k)
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1st cutting of weeds with a lawn mower (P1):
(https://youtu.be/ZZ2E9NHMQLA)
Cutting of weeds outside with a lawn mower (P2):
(https://youtu.be/6NnVdPcjCxA)
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The 8th Overturning of the Compost into a pile (F1):
(https://youtu.be/ccLAtAMc7w8)