What is the best kegel exerciser? Do you own any?

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Kegel
Can this be used as a kegel exercisor?

Best kegel exercise toy
What is your favorite kegal toy and why?

I just recently tried the Smart Balls Teneo Uno but it's too big for me. It doesn't take any amount of effort to keep it in which sort of defeats the purpose of the exerciser. If you're interested in trying it, I just put it up on my Wishlist of Sale/Trade items and it's been sterilized already

I think the ami is the best set so far. my wife loves them.