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How To use The F-Machine Adapters

How To use The F-Machine Adapters

Double Trouble


For the lady who simply cannot get enough of her machine, Double Trouble allows the user to install her two favorite vac-u-lock toys at once for simultaneous pussy and ass penetration.


  1. Screw the Double Trouble Adapter into the end of the trust rod
  2. Screw the toy adapters into the Double Trouble base and tighten with the included 6mm allen key
  3. Both toys can be moved up and down within the Double Trouble Adapter to allow for best positioning for the user
  4. Slide both toys onto the Double Trouble Adapter
  5. The Double Trouble is now ready to use on your machine




Rocky is a revolutionary f-machine accessory designed to vigorously masturbate the male penis via a male sex toy. For the extreme adventurer, it also has an option for simultaneous anal play.

Mount Rocky to your f-machine f-rod by sliding the f-rod through the small hole at the base of the CNC main body (you will need to remove the vaculoc barb).


1). Once aligned in approximately the correct position, tighten the lower thumbscrew to lock Rocky on to the f-rod. Note: the CNC main body should be perpendicular to the ground or the surface the f-machine is resting on.

2)Mount the masturbator to the carrier using the Velcro straps. (If you are using an anal toy, it’s also time to mount this using the vaculoc ‘barb’ so replace the barb if you have not already done so).

3) Position yourself under the carrier and adjust the carrier height position (various height holes within CNC main body) and also adjust the carrier position in relation to the CNC main body by sliding it backwards or forwards as required until you have everything in the desired location

4) Loosen the 2 thumbwheels to allow the carrier to slide back and forth then lock into position. You will be able to make other adjustments on the fly easily enough to perfect all the angles.


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