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How & Why You Should Use a Hollow Dildo

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Article Reviewed and Approved by: Dr. Michele Waldron, Psy.D, LADC-I, SCCT, Sexual health & Healing Whole Life Intimacy Reviewed on April 8th, 2026

Hollow strap-on dildos aren’t new to the sex toy world, but they’re often overlooked because many people aren’t sure how (or why) they’d use one. The truth is, hollow strap-ons can be an incredibly versatile addition to your collection—great for intimacy, roleplay, and even overcoming obstacles like erectile dysfunction. Once you learn how they work, you’ll see why so many couples find them exciting.

Shop Our Collection of Hollow Strap-Ons - Click Here!

Why Should I Use a Hollow Strap On?

Originally designed to aid men experiencing erectile dysfunction (ED), hollow strap-ons allow the wearer to insert their penis into a hollow shaft. This means that even without an erection—or if stimulation ends too quickly—you can continue to participate in penetrative sex comfortably and confidently. It’s about removing performance pressure and keeping intimacy alive. Plus, the harness design frees your hands to explore other erogenous zones.

Hollow strap-ons have also become popular outside of ED solutions: for enhancing size, exploring LGBTQ + dynamics, and introducing curves into play.

Other Reasons For Using a Hollow Strap On

Size enhancement: Shake things up with extra length or girth.
Curved for pleasure: Some designs are curved to target the G-spot or prostate with every thrust.
LGBTQ + play: Great for same-sex couples exploring depth and fantasy with a firmer hollow strap on.
Anal stimulation: Especially useful for prostate play.

Common Questions About Hollow Dildos

3."Will the wearer feel anything?"

→ Usually not physical sensations, but many report the emotional arousal of knowing they’re pleasing their partner.

2."How do I clean a hollow strapon ?"

→ Wash inside and out with warm water and mild, anti-bacterial soap. Rinse well and dry thoroughly before storing.

3."Are there different sizes available?"

→ Definitely—hollow strap-ons come in various lengths and diameters. Some are extra large / big, while others are more of an average size. Always check the insertable size and harness dimensions to ensure a comfortable fit.

6 Creative Ways to Use a Hollow Strap-On

As the name suggests, a hollow strap-on is worn with a harness, allowing the wearer to insert themselves into the hollow shaft. Once strapped in, the toy sits where a penis naturally would—ready for action. Here are six fun, detailed ways to enjoy it:

1. INCREASE INTERCOURSE TIME FOR EVERYONE’S PLEASURE

One of the biggest advantages of a hollow strap-on is that it keeps intimacy going, regardless of the wearer’s erectile state. Whether you’re completely soft, partially erect, or already finished, you can still keep thrusting and pleasuring your partner.

This can be especially reassuring for men who orgasm quickly or who experience occasional ED—it removes the pressure of “performing” and ensures both partners can stay in the moment. Knowing you can keep going without worry can be a huge confidence boost and help maintain intimacy.

2. EXPERIMENT WITH TEMPERATURE PLAY

Because the dildo is hollow, you can get creative with temperature play. Try filling it with water and freezing it to create a “dildo-sicle” for an icy, shocking thrill that wakes up your senses. Or, if you prefer warmth, run it under hot water (or carefully boil if the material is silicone and heat-safe) and let it cool slightly before play. The warmth creates a cozy, body-like sensation that can be incredibly intimate. Exploring temperature variations can add a whole new layer of stimulation.

3. ENHANCE YOUR NATURAL STATE

Even if you’re happy with the size of your penis, a hollow strap-on can provide variety and spice things up. For those who feel self-conscious about girth or length, it’s also a way to temporarily “upgrade” and give your partner a new experience.

And because it’s strapped on, your hands remain free to roam—stroking, touching, or teasing your partner while penetration continues hands-free. This makes play more interactive and intimate for both of you.

Did You Know?

The first modern hollow strap-on dildos were introduced in 1965 by ventriloquist Ted Marche and marketed as medical aids. They were designed to “augment” male sexuality—especially for those experiencing erectile dysfunction—not replace it.

4. EXPLORE YOUR FANTASIES & CREATE NEW EXPERIENCES

Hollow strap-ons are great for leaning into fantasies. For example, if your partner doesn’t have a penis but you want the feeling of penetration, a hollow strap-on makes that possible. Some people also prefer hollow strap-ons over solid dildos for strap-on sex because they tend to feel a little less rigid and more forgiving when worn empty.

They’re also excellent for pegging and roleplay. Curious about switching roles or experimenting with power dynamics? A hollow strap-on can make that fantasy feel real in a safe, consensual way. The slightly softer structure can also make anal penetration more comfortable, which is great if you’re exploring prostate play.

Shop Pegging Strap Ons

5. CATCH A NEW SENSATIONAL BUZZ

Some hollow strap-ons come with built-in vibrators, adding an extra layer of stimulation. The vibrating motor is usually near the tip, so your partner feels intense internal sensations while you enjoy the thrill of watching them respond. In many designs, the vibrations are subtle enough that the wearer can feel them through the hollow shaft, too.

Most models include a small controller clipped to the waistband so either partner can take charge of the vibrations. You can use the dildo with or without the vibrator, giving you flexibility to change up your play style.

6. LEAN INTO ANAL PLAY

For couples exploring anal sex, hollow strap-ons are a fantastic option. They allow you to take control in the bedroom and give your partner penetrative pleasure even if you don’t have a penis. Because they compress slightly, they can be more comfortable than solid dildos for anal play. Just remember: use plenty of lube and communicate openly for the best experience.

Hollow strap-ons are so much more than a “solution toy.” Sure, they can help couples navigate erectile dysfunction with ease and confidence—but they also open the door to new sensations, creative role-play, and a whole lot of fun. Whether you’re looking to add extra girth, keep the action going after your orgasm, experiment with temperature play, or lean into a dominant/submissive fantasy, this toy has you covered.

The beauty of a hollow strap-on is in its versatility. No matter your reason for trying one, you’ll likely discover new ways to connect, laugh, and explore together. At the end of the day, it’s about pleasure and intimacy—and this is one toy that can deliver plenty of both.

Our Best-Selling Hollow Strap Ons (view full shop here):

1. 9" Hollow Strap on Harness

This 9" Men's ED Harness is a best seller for a reason, not only is it comfortable, it has the life-like look of a penis. Versatile and adjustable to fulfill a variety of fantasies, this set features a stretchy and adjustable harness nearly anyone can wear and a realistically-detailed hollow cock to explore desires. This fits up to a 52" waist.

2. Fetish Fantasy Hollow Strap On

The Fetish Fantasy Hollow Strap-On is your key to exploring wild and wicked fantasies for both of you! Great for anyone to use, it's great for anal play for either sex or vaginal penetration! No matter what you're into, this hollow strap-on can provide and fulfill your naughtiest wish. The realistically detailed shaft feels amazing and has an insertable length of 6 inches.

3. Silicone Hollow Strap on Harness Dildo

Impress your lover by lasting longer in bed with this Silicone Hollow Strap On harness. It is made of a quality silicone material that is soft for superior comfort. The harness is adjustable.

View our Full Collection of Hollow Strap-on Harness for Men (ED Helpers)

Important Resources:

Guide to Erectile Dysfunction *recommended read
Guide to Cock Rings (How to Wear)
Guide to Penis Pumps (How to use)
Men's Sex Toy Information

Do You Plan On Using A Hollow Strap-On? Let Us Know Any Questions You Have With An Anonymous Comment Below!