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Title: Tension dial does not hold elastic
Review: This foot does a fair job of aligning tape or elastic with the edge of the fabric being sewn/serged. The dial on the foot does nothing - it does not put any tension on the elastic. Neither does the foot enable "gathering of knit fabric" per the instructions. If there are additional instructions necessary (perhaps change the differential feed?) they are not included in the instructions, which are vague. I returned this foot after several hours of trying to attach elastic.
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