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A10 Piston

The R-1 Attachment: A10 Piston is finally here! Featuring innovations from years of research and development, A10 Piston is an electric masturbator offering great state-of-the-art stimulation through it back and forth motion.

*Rends' R-1 Controller and access to AC power is needed for this product to operate (R-1 Controller sold separately).


Rends R-1 A10 Piston side view Zoom


The R-1 Attachment A10 Piston is finally finished. After being in development for many years and going through many generations of prototypes, Rends is finally satisfied with the A10 Piston.

The R-1 controller (sold separately) is required to operate the A10 Piston. The technology of the R-1 controller allows for 49 different combined settings for the A10 Piston. The center pause button is useful for those who wishes to do stamina training.

The A10 Piston's inner piston component is designed with even weight distribution throughout. This weight balancing helps keep backlashes to a minimum when the Inner Cup moves back and forth. Also, the motion of the A10 Piston is contained entirely within its outer casing. This sophisticated design along with the exchangeable inner cup system and adjustable length makes the A10 Piston very user friendly.

This exchangeable inner cup system of the A10 Piston uses disposable inserts to be completely hygienic. Each insert can be cleaned a limited number of times for re-usability. The A10 Piston comes with one S/M Ribbed Inner Cup.

The A10 Piston is the first AC Powered R-1 attachment in order to create a strong piston motion. This strong AC powered piston motion will give you a different stimulation unlike any attachment before it.

*Please note the unit does make considerable noise during operation.

**Rends' R-1 Controller and access to AC power is needed for this product to operate (R-1 Controller sold separately).

Additional Information

TD Rating 4 / 5
Designed In Japan
Brand Rends
Material Elastomer, Plastic
Attachment For R-1 Controller
Dimension (L x W x H in.) 11.2 x 4.13 x 4.13
Special Features Piston Action

For hygienic purposes and ultimate ease of use, the A10 Piston Inner Cup is a disposable item. However we do understand that some customers may want to reuse the Inner cup. The following is found to be the easiest method for washing the Inner Cup. Note that any attempt at cleaning may damage the Inner Cup and that it is done at your own risk. The possible resulting damage to the Inner cup will not be considered a defect.

How to clean R-1 A10 Piston inner cup

Stretch the Inner Cup's lip over the edge of the plastic container to keep the foam from getting wet when cleaning.

Easy cleaning the R-1 A10 Piston inner cup

Rinse out everything with water for 45 seconds. Shake out standing water from within the cup and un-stretch the lip back to the original state.
*Warning: Never leave the lip stretched for more than a minute.

RENDS R-1 Controller

5 star :
( 2 )
4 star :
( 2 )
3 star :
( 1 )
2 star :
( 1 )
1 star :
( 2 )
Total : 8 Reviews
Pros Cons
  • (5)
  • (4)
  • (3)
  • (1)
  • (3)
  • (2)
  • (4)
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Items 1 to 5 of 8 total

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not bad, but needs more work Review by harold
a well made toy that feels great with or without power.
as noted though the motor seems rather weak especially on low to mid settings.
if u have a thick "member" forget about using the motor function, because it just won't work.
it's no venus 2000, but not a bad attempt. (Posted on April 15, 2014)

Pros: Sensation, Quality
Cons: Usability, Value

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Best Accessory to the R1 system Review by 0ppa
This is way better than the Cyclone in my opinion.

It isn't perfect but it definitely is a great product if you want an electric (automatic) system to go with your collection; or if you just don't want to use the manual labor sleeves =)

I don't know why but sometimes, on the lower settings it struggles to get enough power. Possibly need more lotion or voltage mismatch (should be getting 100V, not 120V) I did notice that if I angle a certain way, it has an easier time moving though~

Otherwise, this is an awesome product. Sensation is good, has some suction too and not as noisy as the Cyclone. (Posted on January 2, 2014)

Pros: Sensation, Usability, Quality

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I like it Review by RW
It is bigger than I expected and I can not speak to how long it will last but it is pleasant to use. I think you may have to lengthen the tube if stops working when you insert yourself. That is probably a deliberate feature.

(Posted on December 24, 2013)

Pros: Sensation, Usability, Value
Cons: Quality

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Poor toy by itself, can be tweaked to be better but poor wiring. Review by El

The sleeves are not that good. The motor is weak and will have a hard time at slow speeds. The wiring is horrible. I bought this about 3-4 months ago and a wire came loose. I toke it appear just to find out why it stopped working.


Although the motor is weak and the sleeves are bad, you can take apart the cup/sleeve and add one you like, however that sleeve must be light and fit into the cup. You can use that white piece to help fasten it. But this is to be used at your own risk. It can over stress the motor and stop working. It didn't happen to me, instead the wire came loose when being used, probably because the wiring wasn't set properly and got pulled out. (Posted on November 16, 2013)

Pros: Usability
Cons: Sensation, Quality, Value

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One hell of a toy! Review by teodeleo
It's been a long time coming! This baby has been in the works for years now and let me tell you IT IS WORTH EVERY PENNY and EVERY LONG HOUR WAITING FOR THE PACKAGE TO ARRIVE. Just thinking of the insane stroking action, coursing up and down my member makes me hard! augh why am I writing a review?? This isn't helping. Wait a moment!

Ok that was AMAZING. I really never want to stop. The best sensation in the world is sitting back in chair, hands free and enjoying the most intense blowjob of your frickin life. Except that it never has to breathe or stop and cough.

The texture of the insert is mildly ribbed and provides a good sensation, although the point of the product is its movement! There are 7 speeds/intensities and 8 movement patterns (1 basic back and forth, 7 variations) that make for out of this world sensations.

My take / mod on it: Buy a lapdesk for laptops from W-M and a strip of industrial velcro from HD. Remove the cushion from underneath the lapdesk and place a strip of velcro on the flat edge of the A-10 Piston. Press the two together and voila. Now you can surf the internet / watch porn while getting your dick sucked.

Trust me, buy it. buy it now. Especially if you don't have a sex partner/s. And even if you do have a sex partner/s this is still worth your time unless your sex partner/s happens to be the best BJ giver humanly possible ever. But even then I'm not sure if that measures up.

For reference, I am about 6" in length, and about 5.3" circumference (about "average size" whatever the hell that means). I haven't procured the M/L cup but I think that might be a better fit for me. Lower speed and power settings tend to overly strain the motor in my experience.

I bought my A10 Piston for a lot more than ToyDemon is offering it. (like, $50 more). It's the best deal around by far. You won't be disappointed. Now if you excuse me, I have some business to attend to. (in all honesty, I've been attending to that business while writing this review.) Back to porn now! (Posted on October 7, 2013)
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Questions on A10 Piston

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2 Item(s)

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  • From anon at 9/9/13 12:54 PM
    • So where's the R-1 Controller? I can't find it on the site. All I see is the R-1 starter set.
    • The R-1 Starter Set is the R-1 Controller with a bonus Bach Rotor being included with the controller.
    • Do you find this question helpful?  Yes   No
    • (2 of 6 customers found this question/answer helpful)
  • From Kevin DERRI at 9/20/13 9:56 AM
    • what's the price for A10 Piston + R-1 Controller + AC power accessory?
    • The A10 Piston comes with AC power adapter so you cannot buy it separately.

      The R-1 Controller is sold separately and you can see the price here:
    • Do you find this question helpful?  Yes   No
    • (2 of 4 customers found this question/answer helpful)
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