Knot Dildos

A knot dildo (or knotted dildo, if you're feeling formal) has a swell near the base that stretches, then pops into place. Ours are poured by hand in platinum silicone, from gentle first knots about 4.5" around to double knots and properly big stretches. Most are made to order, so you pick the size, firmness and colours.

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What is a knot dildo? (The short version)

A knot dildo, or knotted dildo, has a swell near the base that's wider than the rest of the shaft. It stretches on the way in, then pops into place and holds there. That pop, plus the full feeling once it's in, is the whole appeal. Some of ours have one knot, some have two or three, and some swell gently instead of popping.

Ours are platinum cure silicone with a flared base, so they're body safe and safe for anal play. Want the long version? Knots explained covers how they work and every style we make, how to take a knot walks you through it step by step, and how to choose your first knot puts every model side by side.

Knot dildo firmness (pick your squish)

  • Super Soft: our best seller, and the one we'd pick for a first knot. It squashes a little as the knot goes in.
  • Squishy Soft: our softest, and the most forgiving on big knots (basically a marshmallow with ambition).
  • Medium: holds its shape, so you feel the full width of the knot.

Can't decide? Super Soft. The firmness guide has the details.

Are knotted dildos safe? (Ours are. Here's the boring bit.)

Every knot is platinum cure silicone, which is non porous, phthalate free and easy to sterilise. Every model has a flared base, so it's safe for anal. Lube is non negotiable with a knot, and water, silicone and oil based lube all work with our silicone. The care guide covers cleaning and storage.

Find your knot

Same idea, very different stretch. Here's where each one sits.

Shape first, size later (on the product page). One rule: knots run big, so size down.

Knot dildo size comparison (we measured, you're welcome)

Every knot we make, drawn to scale. Tap one for its full measurements, or pick up to three and compare.

Knot Dildos sizes: insertable length and widest circumference
Product Size Insertable length Max circumference
Sinnovator Warrior Dragon Dildo X-Small 12.2cm (4.8″) 14.7cm (5.8″)
Sinnovator Warrior Dragon Dildo Small 14.5cm (5.7″) 19.1cm (7.5″)
Sinnovator Warrior Dragon Dildo Medium 18.5cm (7.3″) 23.6cm (9.3″)
Sinnovator Warrior Dragon Dildo Large 23.6cm (9.3″) 30cm (11.8″)
Sinnovator Warrior Dragon Dildo X-Large 32cm (12.6″) 39.9cm (15.7″)
The Capricorn Dildo X-Small 10.9cm (4.3″) 13.7cm (5.4″)
The Capricorn Dildo Small 15.5cm (6.1″) 20.1cm (7.9″)
The Capricorn Dildo Medium 20.1cm (7.9″) 25.4cm (10.0″)
The Capricorn Dildo Large 24.9cm (9.8″) 27.7cm (10.9″)
The Dragon: Knot I Dildo X-Small 11.9cm (4.7″) 11.4cm (4.5″)
The Dragon: Knot I Dildo Small 15cm (5.9″) 14.5cm (5.7″)
The Dragon: Knot I Dildo Medium 19.1cm (7.5″) 18cm (7.1″)
The Dragon: Knot I Dildo Large 23.1cm (9.1″) 21.6cm (8.5″)
The Dragon: Knot II Dildo X-Small 11.7cm (4.6″) 10.9cm (4.3″)
The Dragon: Knot II Dildo Small 15.5cm (6.1″) 14cm (5.5″)
The Dragon: Knot II Dildo Medium 19.1cm (7.5″) 17.8cm (7.0″)
The Dragon: Knot II Dildo Large 23.6cm (9.3″) 21.1cm (8.3″)
The Dragon: Knot III Dildo X-Small 11.4cm (4.5″) 10.4cm (4.1″)
The Dragon: Knot III Dildo Small 15cm (5.9″) 14cm (5.5″)
The Dragon: Knot III Dildo Medium 17.5cm (6.9″) 15.5cm (6.1″)
The Dragon: Knot III Dildo Large 20.6cm (8.1″) 18cm (7.1″)
The Dragon: Knot IV Dildo X-Small 11.9cm (4.7″) 13.7cm (5.4″)
The Dragon: Knot IV Dildo Small 15.5cm (6.1″) 17.5cm (6.9″)
The Dragon: Knot IV Dildo Medium 18.3cm (7.2″) 21.3cm (8.4″)
The Dragon: Knot IV Dildo Large 21.1cm (8.3″) 23.9cm (9.4″)
The Entrapped: Tentacle Dildo X-Small 11.5cm (4.5″) 11.3cm (4.4″)
The Entrapped: Tentacle Dildo Small 14.5cm (5.7″) 14cm (5.5″)
The Entrapped: Tentacle Dildo Medium 18cm (7.1″) 17.3cm (6.8″)
The Entrapped: Tentacle Dildo Large 20.1cm (7.9″) 19.4cm (7.6″)
The Equiknot Dildo X-Small 11.8cm (4.6″) 12.5cm (4.9″)
The Equiknot Dildo Small 13.7cm (5.4″) 14.7cm (5.8″)
The Equiknot Dildo Medium 17cm (6.7″) 18.2cm (7.2″)
The Equiknot Dildo Large 18cm (7.1″) 19.2cm (7.6″)
The Geeyem Bullet Sleeve 9.9cm (3.9″) 13.2cm (5.2″)
The Geeyem Dildo X-Small 9.9cm (3.9″) 13.2cm (5.2″)
The Geeyem Dildo Small 13cm (5.1″) 16.5cm (6.5″)
The Geeyem Dildo Medium 15cm (5.9″) 19.6cm (7.7″)
The Geeyem Dildo Large 18cm (7.1″) 22cm (8.7″)
The Knot Bullet Sleeve 11.4cm (4.5″) 12.5cm (4.9″)
The Knot Dildo X-Small 11.4cm (4.5″) 12.5cm (4.9″)
The Knot Dildo Small 17cm (6.7″) 18.5cm (7.3″)
The Knot Dildo Medium 22.1cm (8.7″) 23.1cm (9.1″)
The Knot Dildo Large 27.2cm (10.7″) 24.1cm (9.5″)
The Knot Dildo X-Large 29cm (11.4″) 31.5cm (12.4″)
The Knot II Dildo X-Small 11.4cm (4.5″) 11.4cm (4.5″)
The Knot II Dildo Small 14.2cm (5.6″) 13.5cm (5.3″)
The Knot II Dildo Medium 16cm (6.3″) 16cm (6.3″)
The Knot II Dildo Large 18.8cm (7.4″) 17.3cm (6.8″)
The Knot III Dildo X-Small 10.4cm (4.1″) 14cm (5.5″)
The Knot III Dildo Small 13.5cm (5.3″) 18.3cm (7.2″)
The Knot III Dildo Medium 16.3cm (6.4″) 19.8cm (7.8″)
The Knot III Dildo Large 20.8cm (8.2″) 23.1cm (9.1″)
The Knot IV Dildo X-Small 12cm (4.7″) 12.5cm (4.9″)
The Knot IV Dildo Small 15.5cm (6.1″) 16cm (6.3″)
The Knot IV Dildo Medium 19.5cm (7.7″) 19.5cm (7.7″)
The Knot IV Dildo Large 21.5cm (8.5″) 22cm (8.7″)
The Pinpoint Dildo X-Small 11.4cm (4.5″) 12.2cm (4.8″)
The Pinpoint Dildo Small 14.5cm (5.7″) 16cm (6.3″)
The Pinpoint Dildo Medium 17.5cm (6.9″) 18cm (7.1″)
The Pinpoint Dildo Large 18.3cm (7.2″) 20.1cm (7.9″)
The Satyr Dildo X-Small 12.7cm (5.0″) 10.9cm (4.3″)
The Satyr Dildo Small 15cm (5.9″) 13cm (5.1″)
The Satyr Dildo Medium 17cm (6.7″) 14cm (5.5″)
The Satyr Dildo Large 19.1cm (7.5″) 16.8cm (6.6″)
The Tentacle: Knot Bullet Sleeve 11cm (4.3″) 10.6cm (4.2″)
The Tentacle: Knot Dildo X-Small 11cm (4.3″) 10.6cm (4.2″)
The Tentacle: Knot Dildo Small 18cm (7.1″) 18.5cm (7.3″)
The Tentacle: Knot Dildo Medium 22cm (8.7″) 22cm (8.7″)
The Tentacle: Knot Dildo Large 25.5cm (10.0″) 23.5cm (9.3″)
The Tentacle: Knot Dildo X-Large 27.9cm (11.0″) 25.4cm (10.0″)
The Tentacle: Knot II Dildo X-Small 11.7cm (4.6″) 11cm (4.3″)
The Tentacle: Knot II Dildo Small 13.5cm (5.3″) 12.6cm (5.0″)
The Tentacle: Knot II Dildo Medium 15.2cm (6.0″) 14.4cm (5.7″)
The Tentacle: Knot II Dildo Large 17cm (6.7″) 16.2cm (6.4″)
The Werewolf Bullet Sleeve 11.9cm (4.7″) 16cm (6.3″)
The Werewolf Dildo X-Small 11.9cm (4.7″) 16cm (6.3″)
The Werewolf Dildo Small 16.3cm (6.4″) 17cm (6.7″)
The Werewolf Dildo Medium 19.6cm (7.7″) 20.3cm (8.0″)
The Werewolf Dildo Large 25.9cm (10.2″) 26.9cm (10.6″)
The Werewolf II Dildo X-Small 10.8cm (4.3″) 13.5cm (5.3″)
The Werewolf II Dildo Small 13.8cm (5.4″) 17cm (6.7″)
The Werewolf II Dildo Medium 16cm (6.3″) 20cm (7.9″)
The Werewolf II Dildo Large 18.8cm (7.4″) 23cm (9.1″)
The Werewolf III Dildo X-Small 10cm (3.9″) 14cm (5.5″)
The Werewolf III Dildo Small 13cm (5.1″) 17cm (6.7″)
The Werewolf III Dildo Medium 16.2cm (6.4″) 17.5cm (6.9″)
The Werewolf III Dildo Large 18cm (7.1″) 18.2cm (7.2″)
The Werewolf IV Dildo X-Small 11cm (4.3″) 10.3cm (4.1″)
The Werewolf IV Dildo Small 14cm (5.5″) 12.2cm (4.8″)
The Werewolf IV Dildo Medium 15.5cm (6.1″) 13.8cm (5.4″)
The Werewolf IV Dildo Large 16.5cm (6.5″) 15cm (5.9″)
The Werewolf IV Dildo X-Large 19.6cm (7.7″) 17.5cm (6.9″)

Knot dildo FAQs

The things everyone asks before their first knot.