The white things are erection enhancing rings made by Commander and are much better than the chinesium variety that are just a waste of time and money, the cock pump manages the erection nicely and feels great, the cock rings (best when new) hold the erection, this is my third and lightest but best so far as it can be worn and walked which adds new dimensions to Cumm tributes, leaving hands free for ass dildo I gotta etc!