I suppose that strimmer line is worth a try but I suspect that it will be too flexible to be able to push it very far. I found that as more curtain wire was inserted the friction increased and more force was required to overcome that. As the wire also needed to be twirled to assist it’s progress curtain wire did not simply wind itself up on itself. I hope that makes sense.
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Ian.
Since 2005: 1992 Volvo 940 estate 2.0L. Manual. Daily driver and workhorse.
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