When it’s time to open up and let loose, the 5.5" Woof Hollow Butt Plug is your ticket to the ultimate gape. Designed by Oxballs, this beast is all about squishy, stretchable delight for those who crave serious tunnel play. Crafted from their softest rubbery-flex material, it's engineered for maximum comfort while delivering extreme access. The tapered scoop design eases you into a wild ride that settles into a thick midsection, popping your hole wide open. And once it’s in? The flanged base lets you sit or grind with zero awkward edges — just pure, raw stretch and pressure.

• Ultra-soft rubbery-flex material – delivers maximum comfort with extreme stretch
• Hollow tunnel shaft – perfect for insertion play, lube funnels, or visual stimulation
• Mid-plug girth – pops your hole open for a deep, locked-in feel
• Flattened rimmed base – flares out softly so you can sit or grind with ease
• Built for advanced players – a filthy favorite for hardcore tunnel play

Product Specifications:
• Total Length: 6.5" / 16.51cm
• Usable Length: 5.75" / 14.61cm
• Total Circumference: 12" / 30.48cm
• Smallest Usable Circumference: 5.5" / 13.97cm
• Largest Usable Circumference: 7.5" / 19.05cm
• Plunger Insert: 7" x 4" / 17.78cm x 10.16cm

Hollow butt plugs like the 5.5" Woof Hollow Butt Plug aren’t just about filling a void — they’re about creating one. This isn’t just a standard plug; it’s an access port for all your deepest kinks. Use it for insertion play, funneling lube, or even visual stimulation. Dive into the world of hardcore tunnel play and experience the kind of pleasure that only a gateway like this can offer.

Naughty Boy is Australia’s go-to for extreme gear that gets you deeper. Forget the fluff and filler — this is where men come to find serious tools for serious play.

Add it to your cart and open up to everything.