Serge is a dual knot silicone dildo designed to build sensation in stages, giving you a more controlled, pleasing stretch. The smooth tip leads into a smaller first knot, before narrowing again and building into a larger central knot where the main stretch peaks.
You feel it build once… then again, each knot adding more stretch, more sensation and more to take at your own pace.
Available in multiple sizes, Serge is ideal for those exploring knot toys as well as those wanting a more layered, intense stretch.
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▶ Why You’ll Love ItGreat For
Also Good For
Might Not Be Ideal If
5 Inch – Compact dual-knot introduction
| Measurement | Size |
|---|---|
| Total Length | 15.2 cm / 6.0 in |
| Insertable Length | 12.7 cm / 5.0 in |
| Tip Diameter | 1.9 cm / 0.8 in |
| Tip Circumference | 6.0 cm / 2.4 in |
| Max First Knot Diameter | 3.8 cm / 1.5 in |
| Max First Knot Circumference | 11.9 cm / 4.7 in |
| Upper Neck Diameter | 3.2 cm / 1.3 in |
| Upper Neck Circumference | 10.1 cm / 4.0 in |
| Max Main Knot Diameter | 4.7 cm / 1.8 in |
| Max Main Knot Circumference | 14.7 cm / 5.8 in |
| Lower Neck Diameter | 2.9 cm / 1.1 in |
| Lower Neck Circumference | 9.0 cm / 3.6 in |
| Base Diameter | 5.5 cm / 2.2 in |
| Base Circumference | 17.3 cm / 6.8 in |
6.5 Inch – Balanced dual-knot progression
| Measurement | Size |
|---|---|
| Total Length | 19.1 cm / 7.5 in |
| Insertable Length | 16.5 cm / 6.5 in |
| Tip Diameter | 2.2 cm / 0.9 in |
| Tip Circumference | 6.9 cm / 2.7 in |
| Max First Knot Diameter | 4.5 cm / 1.8 in |
| Max First Knot Circumference | 13.9 cm / 5.5 in |
| Upper Neck Diameter | 3.7 cm / 1.5 in |
| Upper Neck Circumference | 11.6 cm / 4.6 in |
| Max Main Knot Diameter | 5.5 cm / 2.2 in |
| Max Main Knot Circumference | 17.0 cm / 6.7 in |
| Lower Neck Diameter | 3.4 cm / 1.4 in |
| Lower Neck Circumference | 10.7 cm / 4.2 in |
| Base Diameter | 6.5 cm / 2.6 in |
| Base Circumference | 20.4 cm / 8.0 in |
8 Inch – Stronger dual-knot stretch
| Measurement | Size |
|---|---|
| Total Length | 24.6 cm / 9.7 in |
| Insertable Length | 20.3 cm / 8.0 in |
| Tip Diameter | 2.8 cm / 1.1 in |
| Tip Circumference | 8.8 cm / 3.5 in |
| Max First Knot Diameter | 5.9 cm / 2.3 in |
| Max First Knot Circumference | 18.3 cm / 7.3 in |
| Upper Neck Diameter | 4.9 cm / 1.9 in |
| Upper Neck Circumference | 15.0 cm / 5.9 in |
| Max Main Knot Diameter | 7.2 cm / 2.8 in |
| Max Main Knot Circumference | 22.5 cm / 8.9 in |
| Lower Neck Diameter | 4.4 cm / 1.8 in |
| Lower Neck Circumference | 13.8 cm / 5.4 in |
| Base Diameter | 8.5 cm / 3.3 in |
| Base Circumference | 26.2 cm / 10.3 in |
10 Inch – Maximum dual-knot stretch and fullness
| Measurement | Size |
|---|---|
| Total Length | 29.2 cm / 11.5 in |
| Insertable Length | 25.4 cm / 10.0 in |
| Tip Diameter | 3.4 cm / 1.3 in |
| Tip Circumference | 10.6 cm / 4.2 in |
| Max First Knot Diameter | 7.3 cm / 2.9 in |
| Max First Knot Circumference | 22.9 cm / 9.0 in |
| Upper Neck Diameter | 6.2 cm / 2.4 in |
| Upper Neck Circumference | 19.2 cm / 7.6 in |
| Max Main Knot Diameter | 11.4 cm / 4.5 in |
| Max Main Knot Circumference | 35.6 cm / 14.0 in |
| Lower Neck Diameter | 5.6 cm / 2.2 in |
| Lower Neck Circumference | 17.3 cm / 6.9 in |
| Base Diameter | 10.5 cm / 4.2 in |
| Base Circumference | 32.8 cm / 13.0 in |
Not sure where to start? Serge builds in stages, so choosing a size comes down to how much stretch you want and how experienced you are.
Still unsure?
Go for 6.5 Inch in Soft — the best balance of control and progression.
Serge is available in three firmness options, each changing how both knots feel as you take them.
Recommended combinations:
If you’re unsure, Soft is the most versatile option across all sizes — giving you a clear two-stage experience without feeling overwhelming.
▶ How To UseKnot toys offer a completely different sensation, but a single large knot can feel like too much, too quickly.
We wanted to create something that builds that experience more naturally.
Serge was designed to introduce stretch in stages. A smaller knot to begin, followed by a larger one that deepens the sensation. It allows you to explore, adjust and build toward the full experience in a way that feels more controlled and more intuitive.
▶ Materials & SafetyMaterials
Platinum-cured silicone is considered the gold standard for body-safe sex toys due to its durability, flexibility, and resistance to bacteria.
Body Safety
Do not use with silicone-based lubricants, as they may damage the surface.
Cleaning & Care
All Godemiche products are made by hand to order.
Production times can vary depending on current demand. You can view the most up-to-date turnaround times on our production times page .
Shipping times depend on your location and the service you choose at checkout. Full details can be found on our shipping information page .
All orders are sent in plain, discreet packaging with no indication of the contents on the outside.
We ship worldwide.
▶ FAQWhat is a dual knot dildo?
A dual knot dildo features two swell points, allowing sensation to build in stages rather than all at once.
Can I repeat the sensation?
Yes. You can move between both knots as many times as you like to control the experience.
Is this suitable for beginners?
Smaller sizes can be a good introduction, especially with the staged design.
Can I control how intense it feels?
Yes. The intensity comes from the width of each knot and how your body takes that stretch.
What size should I choose if I’m new to knot toys?
If you’re new, the 5 Inch or 6.5 Inch sizes are the best place to start. They offer a more manageable first knot and a smoother progression into the main knot.
Does firmness change how the knots feel?
Yes. Softer options allow the knots to compress slightly, making the stretch feel more gradual. Firmer options hold their shape more, giving a stronger and more defined stretch at both knots.
Show frequently asked questions about Godemiche Surge - Dual Knot Dildo.
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