The RingO’s Penis Ring is a great starter ring for guys with no previous cock ring experience. It's simple to use (no bells and whistles), made of a stretchy, hypoallergenic silicone, and it shouldn't present you with any difficulties in terms of putting it on, or taking if off. While it's small, it'll be able to fit guys with a lot of girth, so bigger guys needn't worry about that.
Whether in 2D or VR, the sort of films that are going to obviously suit the Launch are within a very narrow genre. Specifically, if you're using a Bluetooth male masturbator, the films that pair best are going in the hand-job or vanilla-sex categories. If, like me, your tastes are more esoteric and unconventional, then you're always going to be left unsatisfied by the mainstream content on offer.
"Voltage was needed to ensure enough force was delivered to smoothly cycle the head when it was in active use," the guy behind Arlan Robotics writes. "The force needed to be just enough but not too great to risk injury. There was enough latency in the system so that if required the product could be stopped with ease just by applying extra pressure on the head."