or this:
https://www.indiegogo.com/projects/virtuadolls-an-adult-vr-game-controller--2#/
They have a free sdk, read below taken from their homepage:
If you're a developer of adult software, producer of VR porn, or enthusiastic gamer that wants to create your own fantasies, we are developing a free SDK to allow you to easily incorporate VirtuaDolls into your project. Here are a few of the features of our SDK:
•Unreal Engine plugin
•Easily integrates into your existing or new gaming project
•Polls just like a normal controller
•Royalty free
•Free for commercial and noncommercial use
And here is a list of things we're currently developing:
•Unity3D plugin
•Secure streaming VR Porn viewer app
•VR Porn synchronization editor
•Mac and Mobile support
We are committed to adapting to the changing VR scene and plan to provide libraries and software for VR headsets in the future. If you have any questions about specifications or compatibility, please contact us directly by email: bill@eoscreative.com