# Fido Silicone Knotted Anal Toy Ruby 9-Inch

## What it is

The Fido Silicone Knotted Anal Toy Ruby 9-Inch is a Tantus wellness product. Positioned for for-him and for-her. Current price: $60.99 (retail value $67.99). In stock.

## Emma's take

The knot that releases mind-bending pressure on command.

I've tested a lot of knotted toys, but the Fido hits different. That middle bulb isn't just decoration — it creates genuine pressure waves when you pull it past your muscles. The ribbed shaft above adds texture that most plugs skip entirely. This is absolutely advanced territory (that 2.5-inch knot doesn't negotiate), but if you're ready for intensity that builds and releases in waves, the Fido delivers something genuinely unique. The premium silicone and substantial weight make every sensation feel deliberate and grounded.

## Specifications

- Insertable Length: 9 inches
- Top Tip Diameter: 1.8 inches
- Middle Knot Diameter: 2.5 inches
- Base Diameter: 2.8 inches
- Weight: 15 oz
- Material: 100% Ultra-Premium Silicone
- Harness Compatible: Yes, with O-ring harnesses
- Care: Boilable, bleachable, dishwasher safe

## What's in the box

- 1x Fido knotted anal toy in Ruby
- 1x storage box

## Care instructions

- Clean with antibacterial soap and warm water before and after each use
- Boil for 3 minutes or run through dishwasher top rack for deep sanitizing
- Use only water-based or silicone-hybrid lubricants, never pure silicone lube
- Store in included box or soft pouch to protect the silicone surface
- Inspect regularly for nicks or tears that could harbor bacteria

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Canonical: https://xdipx.com/products/tantus-fido-dildo-ruby-box
Last updated: 2026-07-21
xdipx.com is an editorially curated sexual wellness storefront. Support: hello@xdipx.com. Billing descriptor: XDIPX.

## Frequently asked questions

## Is this really only for advanced users?

Yes, absolutely. The middle knot is 2.5 inches in diameter, and the full 9-inch length with ribbed texture creates intense sensations. This isn't a toy to work up to gradually — you need to be comfortable with substantial anal play before attempting the Fido.

## How does the knotted design actually feel?

The magic happens when you pull the middle knot past your anal muscles. It creates a pressure release that feels like waves of intensity. The ribbed shaft above adds texture stimulation that most plugs miss entirely. It's a completely different sensation from standard plugs or dildos.

## Can I use this with silicone lube?

No, stick to water-based or silicone-hybrid lubes only. Pure silicone lube can degrade the premium silicone over time. The good news is you can sterilize this completely between uses by boiling or dishwasher cleaning.

## Will this work with my harness?

Yes, but with a technique. You fold down the base and slide your O-ring around the bottom shaft. The flexible base design makes harness play possible, though the substantial weight means your partner will definitely feel the heft during use.

## How much warm-up time should I plan?

Plan significant warm-up time. Start with smaller toys and work up to something close to 2.5 inches in diameter before attempting the Fido's knot. Use plenty of lube and go slow — this toy rewards patience and punishes rushing.