SquarePeg Depth Probe & Slink

Toy Properties

Form: Dildo
Material: Platinum Silicone.
Colors: Slink: Graphite and Bronze
Depth Probe Black
Firmness: Sling: Soft
Depth Probe: Medium
Lube: Water, Oil
Cleaning: Soaking in hot water with dish-soap than use sanitizer.
Safer Sex: Clean and sanitize it thoroughly
Storage: Store in a well-ventilated place not touching other toys to prevent damage.

Vendor: Mr S Leather (USA) & Regulation (UK)

Ever since I started reviewing anal toys way back in 2015, I was focusing on anal toys either for width or sphincter sensation play. But quickly after I published the first anal toy review, I was getting questions about toys for depth play. Since I am more of a width than a depth fistee, it took some time to get enough testee and own experience to write this review.

The toys used for this review were the large Slink on loan from TeckPup and my own Depth Probe 1.25×20’’.

Construction

Despite looking quite different, both toys share the material. Like all SquarePeg toys, they are made out of platinum silicone which is hypoallergenic and easy to clean. While the Slink is made out of their SuperSoft Silicone and comes in their signature Bronze or stylish Graphite, the Depth Probe is available in Firm Black.

The SquarePeg Slink and Depth Toy with a Splitter in Graphite as a Color Example

The design of the Slink is a very long-drawn-out cone with gently rounded tip. After the maximum diameter it tappers like a butt plug and ends in a base which is approximately 20% larger in diameter than the maximum stretch, so the entire toy is not accidently swallowed by a greedy hole. As a special order the FlushCup suction cup can be added to the base of the Slink.

The Depth Probe is one long solid silicone hose. The top tenth is a bit thickened and has a dull tip while the bottom is shaped like a grip. On one side of the hose there is an inch scale to determine how deep the toy has been inserted yet.

Toy Size Length Max. Diameter
 

 

Slink

Small 305mm 51mm
Medium 405mm 61mm
Medium-Large 508mm 63mm
Large 533mm 69mm
XLarge 508mm 81mm
XXLarge 610mm 90mm
 

 

Depth Probe

1×9 229mm 25mm
1×15 381mm 25mm
1¼ x20 508mm 32mm
1½ x15 381mm 38mm
1×38 965mm 25mm

Playing with the the Slink & Depth Probe

Depth play is one of the most delicate forms of anal play. Once you leave the rectum the colon is covered in sensitive mucosa which when being exposed to tactile stimulation causes the body to tense up. Since the colon is folded inside the lower torso, this kind of manual manipulation is necessary to “straighten” the colon out. So entering this sensitive part of the body with a large object like a hand is a real challenge, thus depth toys are a useful tool when starting out depth play.

Detail of the Depth Probe’s Thickened Tip

For getting into depth play, most testees found the Depth Probe more useful. Being made out of “firm” (still, you can tie a knot in my 20’’ long one…) silicone, it is a less floppy than the Slink and thus easier too control. The dull tip makes getting around the bends more difficult but the added stiffness opens up the colon for the tube which follows and straights the colon out more easily.

The pointy tip of the Slink on the other hand can feel a bit spiky on the mucosa. Also, the floppiness makes it a bit difficult to get around the first bend which connects the rectum and colon. But once inside the flow of the toy and the nimbleness makes it easier to get around the bends. The increasing diameter helps to stretch the tight colon over time to prepare it for a hand. When interested in self-play, the Slink with the suction cup is the best option. To insert an anal toy, most people crouch or squat which tenses up the colon; for sitting on and gently riding them, both toys are too soft. But attaching the Slink to a tile wall and wiggle the ass until the Slink finds it way, is the most relaxed way to stuff oneself deep.

Detail of the Slink’s pointy Tip

Especially when playing with the longest Depth Probe, a deep cleanout before play is a must. Usually a human’s large intestine is 1.5m long so reaching the small intestine with a hand or a toy is unlikely. But if this happens and bacteria from the large enter the small intestine, serious infections can happen. Another important safety advice is, regardless of the play style or D/s relationship between top and bottom, depth play should never be done forcefully! While a sphincter and the rectum can take a relatively hard beating especially after training, the colon’s mucosa stays fragile and tearing it can lead to serious, possibly lethal injuries and infections!

As already said, both toys are easy to clean so they are ideal to be used on different partners after a thorough cleaning. The smooth surface makes it difficult for bacteria to settle and the material can be autoclaved (after cleaning off any lube residue!) to be entirely sure. But also soaking it in hot water with dish soap and vinegar cleaner, letting it dry and spraying sanitizer on it, works well, especially when you want to use it again quickly.

Detail of the Slink’s tappered End and Base

Where to buy?

When I am in the USA or Canada, I get my SquarePeg toys from Mr S. The Slink costs between $69.95 and $369.95 and the Depth Probe between $59.95 and $169.95, depending on the size. In Europe, Regulation has the widest selection and actually lowest price of SquarePeg toys. The Slink retails between £69.99 and £354.99 and the Depth Probe between £79.99 and £134.99.

SquarePeg Egg Plug

Toy Properties

Form: Butt Plug
Material: Platinum Silicone.
Colors: Supersoft Bronze, Supersoft Graphite & Firm Black.
Firmness: Soft; does not collapse when standing up.
Lube: Water, Oil
Cleaning: Soaking in hot water with dish-soap than use sanitizer.
Safer Sex: Clean and sanitize it thoroughly
Storage: Store either standing in a well-ventilated place not touching other toys to prevent damaging the toys.

SquarePeg Egg Plug

Vendor: Regulation

The SquarePeg Egg Plug Size L in Supersoft Graphite

Especially after my Anal Toys 101 I have been inundated with questions about anal toys for beginners and extended wearing.

Construction

The head of the plug does the name justice: It looks like a little bit elongated egg which tapers down to shaft. Onto this shaft a base with a flat bottom is attached which ends into upwards curved tips.

Size Diameter Head Diameter Shaft Length
XS 3,4cm 2cm 8,9cm
S 4,2cm 2,4cm 11,4cm
M 4,7cm 2,8cm 12,7cm
L 5,3cm 3,2cm 14cm
XL 6,7cm 4cm 16,5cm
XXL 7cm 4,9cm 17,1cm
XXXL 8cm 5,7cm 18cm

 

Detail of the Tips the Stimulate the Prostate

Playing with the Toy

Especially the puppies amongst you will recognize the shape. It is basically the iconic SquarePeg tail with just the plug part. So if you like the feeling of the tail inside your butt but the tail part kept you from wearing it 24/7 this is the plug for you.

Wearing the plug 24/7 is actually one of the unique properties of this plug. Regardless if you take the soft or hard material version due to the flowing round shape the plug feels comfortable to be worn over extended periods of times. The steep and soft round shape of the head it is a weary good toy to stretch and train a sphincter.

For Color Comparison
Left: SquarePeg Acorn in Supersoft Bronze
Middle: SquarePeg Egg Plug in Supersoft Graphite
Right: SquarePeg Reamer in Firm Black

The large base prevents the plug to accidently slide into your ass even though the smooth head entices the sphincter to suck the plug in. When walking around an interesting dynamic happens: The larger the plug and thus the mass in the head it will start to move around a bit. This moving momentum get transmitted to the tips at the end of the base which than will stimulated the part of the prostate at the perineum. Of cause the same effect can be created with a sub tied down and a massager added…

Where to buy?

The SquarePeg Egg Plug can be bought at Regulation London for £39.99 to £119.99 or Mr S between $29.95 and $119.95 depending on the size. Regulation does only stock the Supersoft Bronze (the iconic color of all SquarePeg toys) variety. If you want a different color, simply write the color in the order comment and they will order it for you.

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