What's the best way to use the vibrating bullets and eggs? I have one of each but haven't yet found a good way to use them. The vibrations are certainly strong enough, but I can't hold them in place where I need them, because they want to vibrate or gyrate right out of my fingers or hand. I also find the vibrations too focused; I prefer them to be more diffuse, but that's another thread. I know you're not supposed to use them internally, so any suggestions on how to use them successfully? (I am thinking in terms of solo play here, but I wouldn't mind recommendations for, hopefully, future use w/a partner.)

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