The Decoy DS-13 Switch Head is an award-winning, highly innovative articulation weight precision-forged in Japan for modern bottom-jigging tactics. Written by Gerrys Fishing, this description highlights how Decoy completely revolutionized the Cheburashka style joint rig.

Standard articulated jig heads feature a fixed shape that limits your tactical presentation. The DS-13 completely bypasses this limitation by introducing a reversible delta-shaped football geometry. Fitted with a removable, high-tensile sliding internal pin, this technical sinker allows you to instantly alter the hydrodynamic properties of your rig, flipping between an ultra-streamlined weed-glider and a high-traction bottom anchor on the exact same hook.

Detailed Specifications

• Model: Decoy DS-13 Switch Head

• Component Type: Reversible delta-shaped articulated football sinker

• Material: High-density, extra-hard premium lead alloy matrix (for high structural sensitivity)

• Finish: Stealthy, non-reflective powder-coated Gun Black finish

• Internal Linkage System: Heavy-duty, removable internal slide-pin matrix

• Switch Pin Wire Diameter: $0.8 ext{ mm}$

• Hook Compatibility: Optimized for Decoy Worm 17 Kilo Hooks (Sizes #6 up to #5/0)

• Available Size Matrix:

Sinker Weight (g)	Equivalent Weight (oz)	Quantity Per Pack	Primary Lure & Depth Match Guide
3.5g	1/8 oz	5 pieces	2 to 2.5 Finesse creature lures; shallow canals, drains, and clear docks
5.0g	3/16 oz	5 pieces	2.5 to 3 Perch craws and LRF worms; standard canal lanes and lock edges
7.0g	1/4 oz	4 pieces	3 Medium soft baits; standard estuary gullies and open river structures
9.0g	5/16 oz	4 pieces	3 to 4 Paddle tails and flukes; deep rock margins and tidal current cuts
11.0g	3/8 oz	3 pieces	Specimen perch, zander, and bass plastics; fast water and deep vertical holes
14.0g	1/2 oz	3 pieces	Heavy bottom crawling; maximum distance casting over wind-swept reefs

(Note: An extended heavy-duty version, the DS-13H Switch Head Heavy, is available in sizes spanning 18g to 36g for deep-water marine or extreme heavy-cover applications).

Key Features & Design Performance

• The Dual-Mode Dual-Geometry Engine: The defining benefit of the DS-13 is its reversible delta shape, which offers two entirely distinct mechanical behaviors:

  • Snagless Mode (Narrow Nose Forward): By threading the head with the narrow apex of the triangle pointing forward, the sinker becomes incredibly aerodynamic and streamlined. It cuts seamlessly through pondweed, glides over thick kelp, and slips cleanly through narrow rock cracks without locking up.

  • Stack Mode (Wide Flat Base Forward): By reversing the head so the wide football face points forward, the sinker acts as a high-resistance brake. It catches water current and pushes against gravel, heavily reducing the distance the lure travels per hop. This forces your soft plastic to stay directly inside the strike zone for much longer.

• Slide-Pin Articulation Freedom: Unrestricted joint movement is vital for modern lure presentations. Unlike a standard rigid jig head where the hook is molded directly into the lead, the DS-13 uses an internal sliding wire pin. You simply slide the pin out, loop your favorite weedless offset hook onto the rail, and push it back into the lead body. This decoupled joint gives your soft plastics absolute free-swinging motion, allowing buoyant lures to stand perfectly upright on the pause.

• Hard-Alloy Acoustic Feedback: Cast from an exceptionally dense, rigid lead alloy chassis, the DS-13 acts as an acoustic soundboard. As it bumps, crawls, and clacks across the seabed, it transmits crisp, immediate mechanical feedback straight up your line, allowing you to instantly map out changes from mud to sand or stone.

• Stealthy Low-Glare Finish: The head is fully treated with an industrial-grade, non-reflective Gun Black powder coating. This prevents a brilliant metallic flash that can panic highly educated, hyper-pressured fish, blending cleanly with all natural soft plastic color paths.

Examples of Where to Use It

• Saltwater Sea Bass & Wrasse Roving: The definitive benchmark setup in sizes 7.0g to 14.0g when rigged with a weedless offset hook to bounce creature baits or soft sandeels directly through jagged boulder margins, kelp ledges, and tidal estuary current races.

• Urban Canal Perch & Zander Jigging: Exceptional in the lighter weights (3.5g to 5.0g) for crawling micro craws or creature lures tightly along concrete sheet-piling boundaries and under pleasure boats, switching modes to match the structure.

• Fast-Flowing River Chub Prospecting: Perfect for launching across heavy current seams. Rigged in Stack Mode, the flat face anchors the bait onto gravel runs against the push of the current, giving wary fish more time to locate the bait.

Pro Tip

The Buoyant Stand-Up Cadence: To truly maximize the effectiveness of the DS-13 Switch Head jointed system, always pair it with a highly buoyant, floating soft plastic bait (such as an elaztech creature bait or an air-pocket worm). When the rig settles on the bottom, the dense delta weight drops flat while the free-swinging internal loop allows the buoyant soft plastic to stand perfectly straight up into the water column, dancing on its nose. Work the setup with an ultra-slow, crawling cadence followed by long, dead-still pauses. The lure will perfectly mimic a defensive crayfish or an injured baitfish feeding on the bottom, a visual trigger that specimen predators find impossible to ignore.

Frequently Asked Questions

How do you reverse the head to switch modes?

Changing modes takes less than ten seconds. Simply firmly pull the wire loop eyelet out of the front of the lead body to extract the internal slide-pin. Flip the delta lead head completely around 180 degrees, thread your weedless offset hook back onto the pin track, and slide the pin assembly back home into the lead.

Will any standard offset hook fit onto the internal switch pin?

The internal slide-pin is forged with a standard, highly secure $0.8ext{mm}$ wire diameter, which fits flawlessly into 99% of premium offset hooks (such as the Decoy Worm 17 Kilo Hook series across all sizes). However, certain ultra-fine, microscopic finesse hooks or generic low-grade hardware with exceptionally small, pinched eyelets can occasionally pinch or bind on the pin loop.

Does the internal sliding pin slide out on its own during a hard cast?

No. Decoy precision-engineered the internal channel with an integrated mechanical friction lock configuration. When you push the slide-pin firmly into the lead chassis, it locks tightly in place with a secure internal seat. The forward tension applied by your leader line during a hard cast or a heavy hookset further acts to hold the pin assembly locked into the body, ensuring complete security.