If you're chasing legendary stamina with a cheeky twist, the GO Ass Stamina Training Unit is your ultimate ally. This backdoor beast is a compact version of Fleshlight’s classic Stamina Training Unit — crafted for guys who want to build endurance, sharpen technique, and blow the roof off their solo game. Same savage texture. Same gold case. Just leaner, meaner, and easier to grip when the action gets wild.

• GO-size stroker – smaller build for better control and portability
• Stamina Training texture – designed to build endurance and performance
• Butt orifice – extra-tight entry with a naughty twist
• Patented SuperSkin material – feels freakishly close to the real thing
• Gold case – discreet, premium, and easy to grip
• Open-ended – easy to clean and built for repeat rounds

What’s In The Box:
• GO Ass Stamina Training Unit (Stamina texture)
• Gold GO-style case

Product Specifications:
• Length: 8.5" / 21.6cm
• Diameter: 3" to 2" / 7.6cm to 5.1cm
• Canal Diameter: 0.875" / 2.2cm

Anal strokers aren’t just for fun — they’re a bloody good way to build control, increase sensitivity, and feel something seriously next-level. The GO Ass Stamina Training Unit gives you the tools to perform like a weapon when it counts — and look good doing it.

Naughty Boy doesn’t just stock strokers — we stock training gear for sexual champions.

Take it for a spin and turn every session into a mission.