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1.
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The workpiece,
such as rubberized fiber and leathers, can be sewed more smoothly.
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2.
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Eliminate the
need of additional puller, wheeling machine, needle feed machine
and walking
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foot machine
in some case.
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3.
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Reduce the
friction and eliminate the need of lubricant.
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4.
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Higher durability
than Teflon or Rubberized presser foot by more than 200 times.
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