The Knot IV Dildo, front view, platinum-cure silicone dildo

The Knot IV Dildo, side angle view, platinum-cure silicone dildo

The Knot IV Dildo, front view, second shot, platinum-cure silicone dildo

The Knot IV Dildo, front view, shot 3, platinum-cure silicone dildo

The Knot IV Dildo, angled view, platinum-cure silicone dildo

The Knot IV Dildo, front view, shot 4, platinum-cure silicone dildo

The Knot IV Dildo, held in hand, shot 3, platinum-cure silicone dildo

The Knot IV Dildo, held in hand, second shot, platinum-cure silicone dildo

The Knot IV Dildo, held in hand, platinum-cure silicone dildo

The Knot IV Dildo

Q: What are the different firmness options?

We offer the following firmness options: Medium Firmness - 10A on the Shore hardness scale Super Soft Firmness - 0040 on the Shore hardness scale Squishy Soft Firmness - 0020 on the Shore hardness scale For more information about our firmness options see our firmness guide .

Q: What do the colours actually look like?

Check out our colour guide to see exactly what our colours look like. But please keep in mind, each toy is hand-poured, so no two are exactly alike!

£49

One knot is great. Two is better. We checked. We had a gap in the Knot lineup, so we filled it the only sensible way, by doubling it. The first swell turns up partway down the shaft to warm you up. Then comes the knot, which is bigger, and very much the main event.

Size: X-Small

X-Small £49 Small £59 Medium £69Most Popular Large £119

Size Guide

Full details

One knot is great. Two is better. We checked.

We had a gap in the Knot lineup, so we filled it the only sensible way, by doubling it. The first swell turns up partway down the shaft to warm you up. Then comes the knot, which is bigger, and very much the main event.

It starts easy: a tapered head with a proper ridge, then even ribs all the way round so no angle gets left out. Then the stretch builds in two stages (a polite way of saying it gets bigger, and then bigger again).

The flared base has a flame and hair texture so your hand has something to hold when things get enthusiastic. It also stands up on its own, so it’ll look great on the bedside table and start conversations you weren’t ready for

Platinum Silicone

We use platinum-cure silicone for every single product because honestly? You deserve toys that are safe, durable, and feel as good as they look.

What makes it so special?

It's non-porous, which means when you clean it, it actually gets clean clean. No sneaky bacteria hiding in microscopic crevices. No weird smells developing over time. Just pure, body-safe silicone that stays hygienic no matter how adventurous you get.

Plus, it feels incredible. Like, genuinely fantastic!

Secure Checkout

We accept credit cards, debit cards, PayPal, ClearPay, Sezzle and Klarna. All secure, all simple, all showing discreetly on your bank statement.

Shipping to United Kingdom

Discreet Shipping

All our toys arrive in the most boring brown boxes imaginable. No logos, no winking emojis, no hints. Just you, your package, and absolutely zero awkward small talk with delivery drivers.

Returns

Look, we get it. Sometimes things don't work out. We've all been there.

You've got 30 days from when your package arrives to decide if you want to return something. Just make sure the item is in the same condition you received it — unused, with all its original packaging and tags intact.

For more info here's our full returns policy.

It starts easy: a tapered head with a proper ridge, then even ribs all the way round so no angle gets left out. Then the stretch builds in two stages (a polite way of saying it gets bigger, and then bigger again).

The flared base has a flame and hair texture so your hand has something to hold when things get enthusiastic.

Premium platinum silicone that feels lovely, with a base wide enough to stand up on its own. It'll look great on the bedside table and start conversations you weren't ready for.

Size Guide

Measurement	XS	S	M	L
Tip Circumference	1.2″ 3.0cm	1.4″ 3.6cm	1.6″ 4.1cm	1.8″ 4.6cm
Tip Diameter	0.4″ 1.0cm	0.4″ 1.0cm	0.5″ 1.3cm	0.6″ 1.5cm
Head Circumference	2.8″ 7.1cm	3.5″ 8.9cm	4.5″ 11.4cm	5.1″ 13.0cm
Head Diameter	0.9″ 2.3cm	1.1″ 2.8cm	1.5″ 3.8cm	1.6″ 4.1cm
Shaft Circumference	3.7″ 9.4cm	4.5″ 11.4cm	5.5″ 14.0cm	6.1″ 15.5cm
Shaft Diameter	1.2″ 3.0cm	1.5″ 3.8cm	1.8″ 4.6cm	1.9″ 4.8cm
Insertable Length	4.7″ 11.9cm	6.1″ 15.5cm	7.7″ 19.6cm	8.5″ 21.6cm
Total Length	5.5″ 14.0cm	7.1″ 18.0cm	8.7″ 22.1cm	9.8″ 24.9cm
Base Circumference	7.1″ 18.0cm	9.3″ 23.6cm	11.2″ 28.4cm	12.8″ 32.5cm
First Knot Circumference	3.9″ 9.9cm	4.9″ 12.4cm	6.1″ 15.5cm	7.1″ 18.0cm
First Knot Diameter	1.3″ 3.3cm	1.6″ 4.1cm	1.9″ 4.8cm	2.2″ 5.6cm
Second Knot Circumference	4.9″ 12.4cm	6.3″ 16.0cm	7.7″ 19.6cm	8.7″ 22.1cm
Second Knot Diameter	1.6″ 4.1cm	2″ 5.1cm	2.4″ 6.1cm	2.8″ 7.1cm

These are this one’s numbers. Curious how it compares to everything else we make?

See Every Size, Side By Side

Product FAQ

What is the best knot dildo for beginners?

For those new to knot dildos, we recommend starting with our X-Small and Small sizes. These options are perfect for easing into the experience:

Dragon Knot - X-Small: With a 4.5" circumference knot, it's ideal for first-timers.
Knot II - X-Small: Also features a 4.5" circumference knot, providing a snug yet manageable fit.

For Intermediate Users:
If you're ready for a bit more intensity but prefer a shorter shaft, the Werewolf III X-Small is a great choice. It has a slightly larger 5.5" knot, so you can enjoy a bigger thrill without the extra length.

What is your biggest knot dildo?

In our current range, the two dildos with the largest knots are:

The Knot - Large: This beast packs a hefty 9.5" knot, perfect for those who want more.
The Werewolf - Large: For those who crave the ultimate challenge, this one features an incredible 10.6" knot.

Or see the full range of knot dildos here.

What are the different colour options?

We offer 6 different colour styles, though not all are available on every product.

Surprise Me Basic - Leave the decision in our capable hands and we'll choose a solid colour that compliments your toy selection.

Surprise Me Premium - Leave the decision to us and we'll get creative with two or more colours. We love this choice as it allows us to get experimental with all of our colours, often resulting in our best pours.

Solid - One colour that will run evenly throughout your toy

Fade - Two colours combined that are gradually blended together. Colour 1 will be the tip of your toy and Colour 2 will be the shaft and base.

Marble - Two colours combined resulting in a veining effect similar to classic marble.

UC Trademark - This is a product-specific colour. The main image of the product is the UC Trademark colour.

For more information, take a look at our colour guide.

What are the different firmness options?

We offer the following firmness options:

Medium Firmness - 10A on the Shore hardness scale
Super Soft Firmness - 0040 on the Shore hardness scale
Squishy Soft Firmness - 0020 on the Shore hardness scale

For more information about our firmness options see our firmness guide.

Why do you only use platinum silicone?

We use platinum silicone so you get a toy that is non-pourous (meaning when you clean it, it gets fully clean and can't transmit bacteria), doesn't smell, is body safe and feels fantastic.

If you'd like to learn more about cleaning your toys, read our sex toy care guide.

What do the colours actually look like?

Check out our colour guide to see exactly what our colours look like. But please keep in mind, each toy is hand-poured, so no two are exactly alike!