The F-Machine Gigolo and Pro are supplied with a Vac-u-Lock style adapter as standard, which is compatible with Doc Johnson's Vac-u-Lock dildos and toys.
This Universal Suction Base (USB) integrates your favourite suction cup base sex toys with either your F-Machine Pro II or Gigolo. With this adapter, you can use any suction cup dildo or vibrator on your Fucking Machine.
Important: This product is only compatible with the F-Machine Gigolo and Pro II models. Maximum suction cup diameter: 88 mm.