Cock rings, or penis rings, are some of the simplest sex aids around.

So, what do cock rings do? Well, they prevent blood from flowing back down the penis, which in turn can help to make erections feel harder and last longer than usual, potentially making your enjoyment last longer and an orgasm more likely.

Some people choose a cock ring that is worn on the shaft, while others like the feeling of a cock ring that goes around both the penis and the testicles. This guide will show you how to put on both kinds of cock ring.

Want to know how to put on a stretchy, vibrating cock ring? Check out our How to Use a Vibrating Cock Ring guide.

Learn how to use a cock ring (even if you don't have a trousersnake in your life) in this weeks sex toy video blog.

You'd be forgiven for thinking you need a cock to use a cock ring (after all, the name says it all) but did you know you can get loads of pleasure from a vibrating penis ring, even if you don't have a penis?

For solo play, they are an amazing way of jazzing up a sex toy, and transforming it into a custom rabbit vibrator, and for couple's sex, they can enhancing foreplay and fingering action like you wouldn't believe!

Vibrating cock rings are a best-selling sex toy and tend to be one of the first toys couples try. It's easy to see why. Cock rings help boost his size and hardness plus improve his stamina, and for her they stimulate her clitoris during sex with a buzzing mini bullet. Offering extra pleasure for both partners, it's no wonder cock rings are so appealing.

Cock rings are simple devices that help to maintain a harder and longer-lasting erection by restricting the blood flowing back down your penis, which in turn makes your enjoyment last longer and orgasm more likely. Some people choose a cock ring that is worn on the shaft, others like the feeling of a cock ring that goes around the penis and the testicles. This guide will tell you how to measure yourself for both kinds.

Cock rings are measured by diameter. This is the measurement across the widest part of the hole in the ring. You want a cock ring with a diameter that's smaller than your personal measurements - this will ensure you have the constriction that you need. Start with something just a little smaller than your measurements, because the smaller you go the tighter the cock ring will be.

Most cock rings are adjustable or have stretch to them to ensure a good fit, but to be sure it will fit perfectly you need to find out the diameter of your cock or cock and balls. You may be wondering how that’s translatable to your very 3D penis, but it’s easy to calculate and we'll show you how.

Lots of men decide to try using a penis pump to achieve a larger manhood in minutes. Bathmate penis pumps use the power of water to help you achieve a bigger length and girth. Frequent use of a Bathmate pump in the bath or shower leads to bigger penis, and many men report enhanced erections and increased stamina to boot.

This guide explains how Bathmate penis enlargers work and help you choose the best pump for your needs.

We're all familiar with the pop-ups and spam emails screaming that they know the way to give you a 2-foot-penis in seconds, but unless you've time-travelled from 1856, very few of us take them seriously.

There are, however, safe and simple ways to get a bigger bedroom bratwurst without filling your laptop with a million viruses.

From penis pumps, to cock rings, to extender sleeves, there are tons of options out there for a longer dong, and we've trawled our mammoth collection to find the ones that you like best.

These six sensational tools for your, well, tool are among the highest rated in their category, based on our thousands of customer reviews.

So whether you're looking for a long-term lengthening or a single night of porn star proportions, just read on…

Ever wished you could have rock hard erections at the press of a button?

Well now, you can!

Introducing UPRIZE: The world's first auto-erecting dildo.

With the ability to go from limp to pimped in a matter of seconds, there's never been a boner so reliable.

Plus, it houses a super-powerful 10-function motor for intense vibrations that'll please even the most power-hungry pleasure-seekers.

And its versatility doesn't stop there: UPRIZE is hypoallergenic thanks to its silicone body, 100% waterproof, remote controlled and perfectly shaped for G-spot and P-spot massage. Phew!

What's your favourite feature? Let us know in the comments section.

To learn more about UPRIZE, and watch Jess and Sammi gawk at its fabulous uppy-downy glory, keep reading...