F-Machine Backstop Disk

Depth Control for Maximum Confidence

The F-Machine Backstop Disk is a deceptively simple yet genius upgrade to your thrusting setup. Designed specifically for the 10mm F-Machine Thruster Rod (M8), it threads on behind your toy to provide a reliable stop point—especially important for dildos or plugs without balls or suction bases.

A Safety Net for Your Hole

No one wants a toy to disappear mid-session. This easy-to-fit plastic disk ensures that your toy stays in place, providing both safety and peace of mind. Whether you're riding solo or bottoming for your machine, this backstop takes the anxiety out of deep play.

Compatible, Clever, and Ready to Use

The F-Machine Backstop Disk is designed for fast installation and effortless function. Just screw it onto the shaft, snug it up to your toy, and you're ready to go. A must-have for those who enjoy deep, intense thrusting but want to keep things in control.

Features and Benefits

• Prevents over-insertion of toys lacking a base
• Threads securely onto 10mm M8 F-Machine Thruster Rod
• Made of durable plastic, lightweight and effective
• Great for plug and dong play without safety features
• Simple to install and remove between sessions

Use Instructions

• Slide the disk onto the F-Machine rod behind your toy
• Ensure the toy is firmly seated against the disk
• Check positioning before turning the machine on
• Remove and clean after use

Don’t Go Too Deep—Play Smart

Keep your session intense and safe with the F-Machine Backstop Disk. Add it to your setup now at misterb.com and play without limits.

Sizing Information

• Fits: 10mm (M8) F-Machine Thruster Rod

Technical Info

• Material: Durable plastic
• Thread size: M8 (10mm rod)
• Compatible with F-Machine thrusting systems