When it comes to strap ons, it's always worth your time to check out BDSMToyShop.com. Not only will you find the traditional harness with both realistic and ridiculous dildos dangling off of them, but they also get even more extreme dildo face harnesses, and triple-penetrating devices.
ThePleasureChest.com offers a great selection of big name strap-on designers (Tantus, Spareparts, Jaguar) at excellent prices, so it's always a good choice for when you really want to kick it up (and in) a notch in the bedroom. They even offer some quirkier products, like a thigh harness, and ones that vibrate on their own. It also helps that they have a great selection of dildos that will fit into almost of them.
When you want the best in strap on gear, you go to TantusInc.com. The harnesses they sell are of premium quality, and they are easily compatible with their brand of dildos. When you want to add a new level of penetration to your experience in the bedroom, this is the gear for the serious aficionado. Their selection of other BDSM gear is also impressive.
You realize how big the strap-on business is when you check out PeepShowToys.com, and find that they have practically separate sections for harnesses (which you wear like underwear) and the dildos (which you attach to the harnesses). It makes for a very exciting, mix-and-match shopping experience, especially with the knowledge of how much more pleasure you'll have when it arrives on your doorstep.
When it comes to strap-ons, AdamEve.com likes to keep their customer's options (and legs) open, because they have a wide selection for women pleasing women, and even some speciality 'pegging' models (typically women pleasing mens' backdoors)/ Some of them are simply undies with a dildo hanging of them, and some have an BDSM leather vibe, where you have to buy a dildo separately.
When it comes to some strap-on action, everyone should be wishing for GoodVibes.com. And on their site they have an excellent collection of dildos that are almost completely universally compatible with the typical harness system. They even have some models with the phallus built right onto the harness you'll be wearing. And it's not just for women, as they have 'pegging' models which are designed for the butts of men.
SheVibes.com is an excellent and fun site to go shopping for strap-ons, because thanks to a bit of instructional comics (and tasteful!) you can get a great overview of the whole harness-dildo system. They have a great selection of all the parts that make up a perfect strap-on for whatever your needs may be. You can even search by brand (Tantus, Sportsheets, Doc Johnson), if you already know what kind of styles you like.
ChurchOfSinvention.com has an incredible selection of strap-ons and dildo harnesses, so of which they make in-house at their own factory. The quality of these products are amazing and come with lifetime guarantees. But if you want something a bit more beginner, they certainly offer that as well, with several kits that include those who are interested in trying pegging for the first time.
Honour.co.uk is the sort of site that has so many great sections for adventurous lovers that you almost miss the strap-on page. The dildos on display can fit with the traditional harness (which is sometimes sold separately, which they also have available), and they have a range from styles from full on leather BDSM, to something more like underwear, with a tantalizing phallus dancing from it.
TabuToys.com is a sex store website that does everything right. On their main strap-on page they divide it up into five sections (kits, vac-u-lock, harnesses, dildos that git harnesses, and male strap on sheaths). Together, you can find anything you could possibly want or desire when it comes to penetration of this sort. Whether it's pegging, or just the matter of having more holes than natural things that can fill them, you'll soon be in pleasure heaven with whatever you buy here.