The most convenient attachment, used in fucking machines, and allowing to attach and use of different dildos - is a Vac-U-Lock system. So, most of Motorfun machines are equipped with Vac-U-lock compatible attachments.
But, for some different dildos, plugs, ets,.. we offer special holders, allowing to attach various size dildos, plugs and other sex toys.

Vac-U-Loc attachments

Various dildos attachments

Butt plug attachments