Introduction
With time and regular usage, damage from wear and tear is inevitable for over-ear headphone earpieces. Although Bose is known for long-lasting technology, their ear pads are known to peel after a short period of time. Constantly replacing them with low quality third-party ear pads or replacing them through Bose can be costly and wasteful. Through this repair, you can create custom long-lasting ear pads.
Tools
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            Locate the plastic oval ring attached to the foam ear pad. 
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            Gently pull apart the plastic ring and leather fabric until separated. 
 
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            Rip the leather exterior until green foam is visible. 
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            Remove green foam. 
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            Dispose of damaged leather. 
 
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            Print the linked pattern. 
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            Cut out the pattern using the solid black lines. 
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            Trace the pattern onto the new leather. 
 
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            Using the pattern as a guide, mark holes on the smaller donut with a pencil 
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            Punch holes with the leather punch tool 
 
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            Align the smaller donut on top of the larger donut 
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            Make sure the leather right sides (the side of the leather you want to show) are facing each other 
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            Using a thread and a needle, sew the two donuts together at the center of the donut using a whip stitch 
 
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            Buff the outer edge of the small donut with a nail file 
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            Glue the outer edge of the small donut with fabric glue 
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            Leave the glue to dry for 5 minutes 
 
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            Fold the leather down to the plastic ring, wrapping around the cushion ring 
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            Straighten out the creases in the leather ring 
 
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            Use a paper clip to hold the pieces in place while letting glue dry 
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            Leave to dry for 20 minutes 
 
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            Attach the leather earpads back onto the headphone 
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            Apply light pressure to secure the earpads into place 
 
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To reassemble your device, follow these instructions in reverse order.