Jointed Rubber 3 Ring Gag Bit

A Three Ring Gag (also known as a "3-ring elevator," "Dutch gag," or "American gag") is a fixed-shank gag bit — distinct from a running gag like the Cheltenham or Balding — that offers multiple, selectable levels of leverage via three (sometimes counted as four) rings on each side.

Design

• A three-ring gag has a large main ring at the mouthpiece (the "snaffle" position), with one small ring above it (for the bridle's cheekpiece) and two smaller rings below it (offering increasing leverage).
• Unlike a running gag, the mouthpiece here is generally fixed to the shank/ring assembly rather than sliding along cheekpieces threaded through holes — leverage is instead created by rein position on the different rings, similar in principle to a Pelham but with more graduated options.
• The rider chooses where to attach the rein: the main/top ring for minimal, near-snaffle effect, the middle ring for moderate leverage, or the bottom ring for maximum leverage.
• Mouthpieces vary — single-jointed, French link, or others — independent of the ring/leverage system.

Function

• Adjustable, graduated leverage: This is the defining feature — the same bit offers a spectrum of severity just by changing which ring the rein attaches to, rather than needing multiple different bits.
• Poll and mouth pressure combined: When the gag rein (middle or bottom ring) is engaged, the shanks tilt backward. This creates two simultaneous actions: tension on the cheekpieces applies poll pressure, while the bit is drawn/raised in the mouth, encouraging the horse to lower its head into a more controllable position.
• Lateral/steering support: Because the rings function somewhat like the shanks of a Full Cheek, they also add pressure to the side of the face during a turn, offering a lateral steering benefit alongside the leverage action.
• Not a "true" head-raising gag: Unlike a classic running gag (which lifts the horse's head by riding up in the mouth), most three-ring gags act more like a Dutch gag — creating the opposite visual effect, using leverage to encourage the horse to lower its head and round into a more controlled outline, rather than raising it.
• Rebalancing: The overall effect helps a horse rebalance off the forehand, offered as a tool to increase lightness, flexion, and control when used correctly.

What it's good for

• Strong horses that lean, pull, or get heavy on the forehand: The graduated leverage gives riders a tool to manage horses that need more "brakes" than a snaffle provides, especially at speed.
• Showjumping and cross-country: Very popular in these disciplines, where quick rebalancing before a fence and reliable steering matter, and where riders often need to adjust control level depending on how a horse is going that day.
• Riders wanting one bit for multiple levels of control: Because rein position can be changed, some riders treat it as "three bits in one" — using the mildest ring most of the time and dropping to a stronger ring only as needed within a round or course.
• Young horses in some cases: Occasionally used in early training for horses that need extra reinforcement of steering and rebalancing cues, though this should be done thoughtfully.

A note on severity and use

• Gag bits, including three-ring designs, can be very severe if used improperly, so guidance from a knowledgeable trainer is recommended before use.
• Using the lower rings significantly increases leverage and severity — riders should start with the mildest option that achieves the needed response.
• Sizing note: because of the multiple rings and moving parts, it's often recommended to size one size larger than a normal snaffle to avoid pinching.

Competition legality

Three-ring gags are not permitted in dressage, but are commonly used and accepted in showjumping, cross-country, and hacking where extra control is needed.

Summary

The Three Ring Gag offers adjustable, multi-level leverage in a single bit — combining poll pressure, mouth pressure, and lateral steering support — making it a versatile and popular choice for strong, forehand-heavy horses in showjumping and cross-country, with the flexibility to dial severity up or down simply by changing rein position.

This combines the classic single-joint mouthpiece shape with a rubber covering or construction, softening the nutcracker action's typical sharpness through material cushioning rather than through mouthpiece design changes like a double joint would.

Design

• The mouthpiece consists of two bars joined by a single center hinge — the same basic structure as any single-jointed snaffle, producing the classic "nutcracker" fold when rein pressure is applied.
• Made of, or coated in, rubber — either vulcanized natural rubber (firmer, more traditional) or a softer synthetic rubber/TPU — rather than plain metal.
• Some versions have a metal core running through the rubber for strength and shape retention, with the rubber forming the actual contact surface.

Function

• Softened nutcracker effect: The core single-joint action is unchanged — the two halves still fold upward at the center hinge under rein pressure, and the joint can still rise toward the palate. However, because the mouthpiece itself is soft and yielding rather than rigid metal, the overall sensation is considerably gentler than a stainless steel single joint, even though the underlying mechanical action is the same.
• Cushioned contact throughout: Rubber's give means the tongue, bars, and lips all experience a softer, more forgiving pressure, even at the point of the fold, compared to an unyielding metal single joint.
• Warmer, more approachable feel: Rubber stays warmer than metal, avoiding the "cold bit" sensation some horses object to.
• Direct, simple signal, softened: Riders still get the clear, straightforward communication of a single-joint mouthpiece — there's no additional link or plate diffusing the signal — but the rubber takes the edge off that directness, making the pressure feel less sharp even as the mechanical fold remains the same.
• No leverage or added severity: As with any single-jointed snaffle, this works purely on direct pressure, with no shank or curb chain.

What it's good for

• Horses that find a metal single joint too sharp, but still respond well to the clear, direct signal of a single joint: This is often a good middle-ground option — keeping the simple, unambiguous communication of a single hinge while softening the harshness some horses feel from unyielding metal.
• Young or green horses just starting bit work: The cushioned feel can make early bitting experiences more comfortable and encouraging, while still introducing the classic single-joint action many horses will eventually encounter in metal form.
• Horses with sensitive lips, bars, or mouth corners: The rubber's give reduces the risk of pinching or bruising compared to a hard metal mouthpiece.
• Horses transitioning from an all-metal single joint due to discomfort: A reasonable step toward more comfort without changing the fundamental mouthpiece shape or moving to a double-jointed design.
• Cold-weather riding: Like other rubber and polymer mouthpieces, it avoids the unpleasant sensation of an icy metal bit in winter.

A note on leaning and durability

• As with other rubber mouthpieces discussed, the softness can be a double-edged quality — some horses, particularly those already inclined to lean or brace against contact, may find it easier to push into a yielding rubber mouthpiece than a firmer one, since there's less hard resistance to respect.
• Rubber is generally less durable than polymer or metal, especially with horses that chew or mouth their bit heavily, so it's worth checking regularly for wear, cracking, or damage.

A note on classification

• The overall lateral action still depends on the cheek style (loose-ring, D-ring, eggbutt, Full Cheek, etc.) this mouthpiece is built into.
• This is generally considered a mild-to-moderate mouthpiece — softer than a metal single joint due to the material, but still carrying more of a "fold" sensation at the center than a French Link, lozenge, or mullen mouth, since the underlying single-joint mechanics remain unchanged.

Summary

A Single-Jointed Rubber bit keeps the classic, direct communication of a single-hinge mouthpiece while softening its typical sharpness through rubber's natural give — making it a useful option for horses that want the clarity of a single joint but need a gentler material, though as with any rubber mouthpiece, its softness may invite leaning in horses already prone to that tendency, and it should be checked periodically for wear.