B0421S09A Single Downturn Feller/Babylock/coverstitch/evolve/Evolution/ovation/Gloria

The Baby Lock Single Downturn Feller (1") - Part Number: B0421S09A is a specialized metal attachment that automatically folds fabric downward into a uniform 25.5mm single-turn hem. It eliminates the need for manual pre-pressing or ironing.
Sewing Applications
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Hemming Straight Garments: Finishing the straight bottom raw edges of shirts, skirts, and blouses cleanly.
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Home Décor Borders: Creating consistent, professional edges on flat home textiles like valances, bed skirts, curtains, or table linens.
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Lightweight Utility Stitching: Efficiently hemming pocket edges or long fabric panels in a single pass without pinning.
Recommended Application Methods
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Mounting the Attachment: Secure the feller directly onto the machine's base plate using the white-capped attachment fixing screws included with your machine.
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Stitch Setup: Set your machine to a Narrow Left Cover Stitch (C1-C2) or a Wide Cover Stitch (C1-C3). Set the stitch length between 3 and 4, and disengage the cutting blade.
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Fabric Feeding: Snip the starting corner at an angle, turn the edge down 5/8 inches manually to start, and slide the fabric into the curved guide funnel underneath the presser foot.
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Operating Speed: Guide the fabric straight through the channel while maintaining a moderate to slow sewing speed to keep the fold consistent.
Applicable Machine Models
Overlock & Coverstitch Combo Series
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Baby Lock Gloria (BLETS8)
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Baby Lock Triumph (BLETS8)
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Baby Lock Ovation (BLES8)
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Baby Lock Evolution & Evolve (BLE8W / BLE8W-2)
Standalone & Coverstitch Specialty Series
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Baby Lock Coverstitch (BLCS / BLCS-2)
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Baby Lock Euphoria (BLS4)
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Baby Lock Sashiko & Sashiko 2 (BLQK / BLQK2)
User Q&A Scenarios
Q1: The fabric keeps slipping out of the folding funnel halfway through sewing. How do I fix this?
Professional Solution: Ensure you guide the fabric slightly toward the right as it enters the attachment funnel. Use your hands to feed the material smoothly without pulling it taut, letting the machine's differential feed pull the fabric naturally.
Q2: Can I use this attachment to hem thick winter garments or heavy fleece fabrics?
Professional Solution: No, this feller is engineered for light to medium-weight fabrics like chambray, broadcloth, calico, or thin denim. It will not work with polar fleece or sweatshirt fleece, as heavy materials will jam the guide slot.
Q3: Where can I get this genuine Baby Lock accessory?
Professional Solution: You can purchase the authentic attachment directly from an authorized regional distributor. In Singapore, you can buy it online or visit the physical showroom at Sewing.sg (by Ban Soon Sewing Machine Pte Ltd) located at 431 Clementi Avenue 3, #01-328.
Q4: What is the price of this specific B0421S08A attachment in Singapore?
Professional Solution: On Singapore e-commerce sites and local sewing platforms like Sewing.sg, the typical price range for this premium Baby Lock specialty attachment fluctuates between SGD $30.00 and SGD $65.00, depending on current promotional discounts and stock availability.
Safety Precautions
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Power Down on Setup: Always switch off the main power button before mounting, adjusting, or unscrewing the feller accessory to prevent accidental needle punctures.
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Clear the Needle Path: Never let metal tools, like tweezers or fabric stilettos, make contact with the moving needle bar or needles while operating.
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Keep Blades Disengaged: Ensure your machine's overlock cutting knife is locked or disengaged before running fabric through the feller to prevent cutting your project accidentally.
- For overlock & cover-stitch machine.
Original parts for Babylock model:
- Evolve (BLE8W-2)
- Evolution (BLE8W-2)
- Ovation(BLE8)
Single Downturn Feller - 1/4
Stitch Used:
- Narrow Left Cover Stitch - only C1 - C2åÊ
Single Downturn Feller - 5/8 inch
Stitch Used:
- Narrow Left Cover Stitch - C1- C2
- Wide Cover Stitch -C1- C3
Single Downfeller -1 inch
Stitch Used :
- Wide Cover Stitch C1- C3
- Triple Cover Stitch C1- C2 - C3
- Narrow Left Cover Stitch C1 - C2
Application : Hem straight edges of projects .
Fabrics:
1/4 inch Feller - Lt. wt. denim , Chambray , broadcloth , calico , polyester, and rayon
NOTE : WILL NOT WORK WITH POLAR FLEECE OR SWEATSHIRT FLEECE
5/8 inch and 1 inch feller - Lt. wt. denim , chambray , broadcloth ,calico ,ultrasuede , leather.
NOTE : Will work with two layers of it. wt. polar fleece with no seams .
SEWING SPEED: Moderate to slow
INSTRUCTION :
- Stitch Length : 3-4
- Cutting Blade :Disengaged "LOCKED"
- Upper Looper :Down
- Sewing Table : ON
Attachment : Make sure the attachment is in the front and the center screw position of mounting bracket to avoid being too close to the toe of the presser foot .
- Secure the attachment to the table with guide fixing screws .
- To start hemming , finger press under 1/4 inch for 3-4 inches .
- Feed the fabric (right side up ) through attachment and pull the fabric to the needles and under the presser foot .
- Make sure the fabric is still folded when placing under the presser foot .
- Keep fabrics turned under when feeding into attachment to insure the fabric will roll under when sewing .