Petitjean Swiss Bobbin Knotter I

Petitjean Swiss Bobbin Knotter I is a specialist fishing tool designed to form a PR knot: a strong, low-profile connection between braided main line and a monofilament leader.

The adjustable brake regulates resistance during the wrapping process, helping the user maintain controlled tension around the monofilament. Type I has a fixed spool and weighs 60g with the spool fitted.
Marc Petitjean specifies a monofilament range of 0.15–0.80mm and a PE range of 0.8–23. These measurements should be used when checking compatibility because breaking strain alone does not reliably indicate line diameter or PE size.
The technique requires some initial practice, but written instructions and an instructional DVD are supplied. Anglers who regularly construct saltwater, predator or other specialist braid-to-mono connections may find it more controlled than using an improvised weighted bobbin.

Petitjean Swiss Bobbin Knotter I features and benefits

• Designed to produce a tight, controlled binding between monofilament and braided fishing line.
• Adjustable brake regulates tension during wrapping.
• Fixed spool provides a consistent 60g Type I configuration.
• Line capacity: monofilament from 0.15mm to 0.80mm diameter; braided PE line from approximately PE 0.8 to PE 23
• Helps produce even, controlled wraps around the leader.
• Can be used at home, on the bank or aboard a boat.
• Supplied with a soft storage pouch.
• Written instructions and an instructional DVD are included.

Petitjean Swiss Bobbin Knotter I top tips

• Practise the complete connection at home before attempting it on a boat.
• Start with moderate brake resistance and make small adjustments.
• Follow the supplied instructions for the direction and sequence of wraps.
• Maintain an even working angle and steady tension.
• Complete the finishing stages before trimming either tag end.
• Use cutters suitable for braid and monofilament.
• Test the completed connection using smooth, progressive pressure.
• Keep fingers clear of heavily tensioned braid.
• Rinse and dry the tool after saltwater use.
• Store the knotter in its supplied pouch.

Note this video is for the Petitjean Swiss Bobbin Knotter II - but same design and usage for the type 1

Petitjean Swiss Bobbin Knotter I FAQ

What is the Petitjean Swiss Bobbin Knotter I used for?
It forms a controlled binding between monofilament and braided line. It is commonly used for bobbin or PR-style line connections involving multiple tensioned wraps.

What line sizes fit the Swiss Bobbin Knotter I?
Marc Petitjean specifies monofilament from 0.15–0.80mm diameter and PE sizes from 0.8–23.

Can the Swiss Bobbin Knotter I be used on a boat?
Yes. Marc Petitjean states that it can be used aboard a boat. Practising the process in stable conditions first is advisable.

Is the Petitjean Swiss Bobbin Knotter I suitable for beginners?
Yes, although some practice is required. The tool helps control tension, but the finished connection still depends on correct technique.

What is supplied with the Swiss Bobbin Knotter I?
It comes with its fixed spool, a soft pouch, written instructions and an instructional DVD. The complete tool weighs 60g.

What is the difference between Swiss Bobbin Knotter I and II?