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The Master Series Giant Silicone Dildo and Harness is a complete strap on harness set built around an oversized, veined silicone dildo. The vegan leather harness adjusts at the waist and thighs for a stable fit, and three O-rings let you wear other toys too. It's made for experienced couples who want serious girth in a realistic strap on, with a harness that stays put.
This is a large toy. The dildo has 7.8 inches of usable length, measured from tip to base, and it widens from 1.6 inches at the narrowest point to 3.2 inches at its thickest. That 3.2-inch girth is the number that matters: it's far wider than an average dildo and suits people who already enjoy significant stretch. The shaft is sculpted with a defined glans and raised veins, and the silicone is flexible enough to move with the body while keeping its shape. If you're still building up, start with a smaller strap-on dildo and come back to this one.
The harness is vegan leather with elastic and iron hardware. The waist adjusts from 30.75 to 40 inches, and the two thigh straps reach up to 25 inches unstretched, which spreads the load and keeps the dildo pointing forward instead of sagging. Fit the waist strap first, low on the hips, then tighten the thigh straps until the base sits firmly against the pubic bone. A snug fit gives the wearer better control and stops the toy pivoting on each thrust. Check the buckles are secure before you start, and loosen everything between sessions so the straps keep their shape.
The set comes with three interchangeable O-rings, with inner diameters of 2.25, 2.5 and 2.75 inches. Use the one that grips the included dildo's base snugly, and swap rings when you want to wear another flared-base toy. That makes this strap on harness useful long after you've tried the big dildo, since it accepts many harness-compatible dildos. The dildo also detaches fully and works on its own as a handheld toy.
Use water-based lube only: the dildo is silicone, and Master Series specifies water-based. With a toy this wide, warm-up matters more than anything else. Spend time with fingers or a smaller toy, use far more lube than usual, and let the receiving partner set the pace. Positions where they control the depth, such as them on top, are easier at first. Reapply lube to the shaft regularly.
After each use, wash the dildo with warm water and a toy cleaner, pat it dry, and store it somewhere cool and dry, away from sunlight and separate from other toys. Wipe the harness with a damp cloth and let it air-dry rather than soaking it, so the vegan leather and elastic last.
See more from Master Series, browse all strap-ons, or read our dildo buying guide.
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