Contour Double Jointed Round Eggbutt Bit

A Round Eggbutt is a variation on the standard eggbutt design where the outer ring is circular rather than the traditional slightly oblong, egg-shaped ring — while still retaining the fixed, non-rotating attachment to the mouthpiece that defines any eggbutt.

Design

• Like a standard eggbutt, the mouthpiece attaches via a fixed, hinged joint rather than a freely rotating ring — the ring can move slightly back and forth where it attaches to the cheek, but it doesn't spin around the mouthpiece the way a loose-ring does.
• The difference is purely in ring shape: a round ring outer profile instead of the classic elongated "egg" shape, giving a slightly different visual look and a marginally different feel/contact point at the corners of the mouth.
• Reins and cheekpiece both attach to the same fixed ring, at the same point.
• As with any eggbutt, mouthpiece style (single-jointed, double-jointed, mullen, French link, etc.) is independent of the ring shape and can be chosen separately.

Function

• No pinching: The fixed joint prevents the rotating action that can pinch the lips or corners of the mouth on a loose-ring design.
• Stable, quiet mouthpiece: Because the ring doesn't rotate, the mouthpiece sits steady in the mouth, giving a more predictable, settled feel and helping horses commit to a consistent contact.
• Moderate lateral support: Offers more directional guidance than a loose-ring, though less than a D-ring or Full Cheek, since there are no straight edges or extended bars to reinforce a turning aid.
• Round ring feel: Because the ring is circular rather than oblong, the rein and cheekpiece sit at a slightly different angle relative to the mouthpiece than on a traditional egg-shaped ring — some riders and horses find the rounder profile marginally softer or more comfortable against the lips, though functionally it behaves very similarly to a standard eggbutt.
• No leverage/poll pressure: As with all eggbutts, this is a true snaffle acting purely on direct pressure, with no shank or curb chain.

What it's good for

• Young or green horses: The stable, non-pinching design makes it a popular first bit, helping a horse learn to accept and trust contact.
• Sensitive-mouthed horses: The lack of rotation reduces the chance of irritation at the mouth corners, and some horses find the rounder ring shape more comfortable than a sharper-edged oblong eggbutt.
• Riders wanting a simple, versatile, all-purpose bit: Functions across nearly all English disciplines — dressage, showjumping, eventing, and general schooling — much like a standard eggbutt.
• Beginner riders: The predictable, non-moving mouthpiece is forgiving of less experienced or less quiet hands.

Competition legality

The Round Eggbutt is FEI-approved for dressage and accepted across virtually all disciplines, since it remains a true snaffle with no leverage action, just like the standard eggbutt.

Summary

The Round Eggbutt offers essentially the same core function as a standard eggbutt — a stable, non-pinching, moderately supportive snaffle — with the main distinction being a rounder ring shape, which some riders and horses find marginally more comfortable at the mouth corners, making it a versatile, mild, all-purpose choice suited to young horses, sensitive mouths, and general riding across disciplines.

This adds a curved, "contoured" mouthpiece shape to the all-polymer, double-jointed-with-roller design discussed previously — an ergonomic refinement aimed at fitting the natural shape of the horse's mouth more closely, on top of the softness already offered by an all-polymer build.

Design

• The mouthpiece retains the core double-jointed structure with a polymer roller at the center — soft polymer bars, a soft polymer rotating roller, no metal contact points in the mouth.
• The key addition is that the mouthpiece is contoured/curved rather than straight — shaped to better follow the natural curve of the tongue and the contours of the mouth, rather than sitting as a straight bar across it.
• Internally, most polymer bits of this style have a stainless steel core running through the mouthpiece for strength, with the polymer molded around it — the steel isn't in direct contact with the mouth, it's just there for structural durability.

Function

• Better anatomical fit: The curved shape is designed to sit more naturally against the horse's mouth, reducing pressure points that a straight mouthpiece might create against the tongue or bars, particularly for horses with less common mouth conformations.
• Eliminates the nutcracker effect: As with any double-jointed mouthpiece, the two joints prevent the sharp folding/pinching action of a single joint.
• Fully soft mouth experience: Because both the bars and the roller are polymer, there's no cold or hard metal anywhere in the mouth — the contoured shape adds to this by removing any awkward straight-edge pressure as well.
• Engages the tongue: The polymer roller gives the horse's tongue something to roll and play with, which can help keep a fidgety or tense mouth quieter and more settled.
• Encourages acceptance: The pleasant scent (commonly apple), soft material, and now-improved anatomical fit are all aimed at maximizing comfort and reducing any reason for a horse to resist or brace against the bit.
• Reduces tongue pressure specifically: The combination of the curved shape and central roller is often described as specifically working to reduce direct tongue pressure compared to a straight double-jointed mouthpiece, since the contour allows the tongue more natural room.
• No leverage or added severity: This remains a true snaffle, working purely through direct pressure.

What it's good for

• Senior horses or those with dental issues: The contoured shape combined with full polymer softness is frequently recommended for older horses or those with dental problems, since it minimizes hard contact points and adapts more comfortably to an aging or compromised mouth.
• Horses with unusual mouth conformation: A horse with a particularly low palate, thick tongue, or other atypical mouth shape may find a contoured mouthpiece considerably more comfortable than a straight one.
• Very sensitive-mouthed or apprehensive horses: As with the non-contoured polymer/roller combination, this remains one of the softest options available, now further refined for comfort.
• Horses transitioning away from metal bits due to discomfort: Particularly useful for horses that have become fussy, resistant, or uncomfortable in more traditional bits, since it addresses both material softness and anatomical fit.
• Young or green horses learning to accept a bit: The gentle, well-fitting mouthpiece plus the roller's engaging quality make for an especially encouraging introduction to contact.
• Fidgety or "busy-mouthed" horses: The roller offers a constructive outlet for tongue movement, same as the non-contoured version.

A note on limitations

• As with the non-contoured all-polymer version, this combination offers no taste-driven salivation boost from a metal roller — comfort and acceptance come from material softness, scent, and anatomical fit rather than any metal-taste stimulation. (Some manufacturers offer a copper-roller contoured version instead, which adds that salivation benefit if desired.)
• Polymer components, including the roller, can be chewed and worn over time, so periodic inspection is worthwhile, and manufacturers typically don't cover bite damage under warranty.

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 combination sits at the very mild end of the spectrum, adding anatomical refinement on top of an already soft, acceptance-focused design.

Summary

A Double-Jointed Contoured Polymer bit with a polymer roller offers a fully soft, all-polymer mouthpiece shaped to fit the natural contours of the mouth, combined with a roller for tongue engagement — making it one of the gentlest, most anatomically considerate bit options available, particularly well suited to senior horses, horses with dental issues or unusual mouth conformation, and any horse needing an especially comfortable, encouraging approach to bit contact.