The Made To Measure Knot Extender

Sale price$87
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Turn date night into a howl-fest! With our custom-fit Knot Extender you're in for a massive upgrade in both length and girth. Prepare to be, quite literally, the big talk of the boudoir!

How Big Will This Make You?
Simply subtract your penis length from the total length. Eg. If you are 6" long, then 9" minus 6" equals 3" gain of length.

Made To Measure Sizing
Every penis is different, which is why one-size fits all extenders will rarely fit perfectly. With our extender, we offer made to measure sizing so that you can always get a perfect fit.

In order to get a perfect fit, measure both the length and girth of your penis when it is fully erect.

When choosing the internal fit of the this extender, we recommend keeping the following in mind:


  • If your penis measures under 1.4” in diameter (under 4.4” in girth) go with the 1" width.
  • If your penis measures between 1.4” and 1.6” (4.4” to 5” in girth) go with the 1.125 width.
  • If your penis measures over 1.6” (over 6” in girth) we don't recommend this extender.


  • If your penis measures under 3.55cm in diameter (under 11.15cm in girth) go with the 1" width.
  • If your penis measures between 3.55cm and 4.06cm (11.15cm to 12.75cm in girth) go with the 1.125 width.
  • If your penis measures over 4.82cm (over 12.75cm in girth) we don't recommend this extender. 

Internal Length
With our made to measure penis extender, we can customise the internal length in 0.5” / 1.27cm increments up to 7". 

External Length
We can customise the external length of this extender. If you wish to reduce the overall length, please select the upgrade: Customise External Length.

Silky Smooth Upgrade
We offer the ability to upgrade your grinder with a silky smooth finish. To achieve this silky smooth finish, we use an additive derived from Durian tree nuts, ultimately resulting in a more luxuriously smooth feel that glides rather than grips like other silicones.

We recommend you avoid the silky smooth upgrade if:
1. You are allergic to durian, tree nuts and tree nut derivatives or musk thistle seed
2. You are sensitive to smell - Normal silicone has no scent however using silky smooth will give the silicone a subtle, nutty scent.


One Size

  • Head Circumference: 6" / 16.51cm
  • Head Diameter: 2" / 5.2cm
  • Knot Circumference: 8.5" / 21.5cm
  • Knot Diameter: 2.7" / 6.85cm
  • Shaft Circumference: 6" / 15.2cm
  • Shaft Diameter: 1.9" / 4.82cm

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