I have had my Tantus Ripple (small) for a few years now and it's become an essential item in my toy collection, especially now that my wife is going beyond just anally fingering me and learning to pleasure me with toys. It's perfect for starting things out when she has me face down, bottom up, and lubricated. The first bead goes inside with no effort at all, and I enjoy having her pop inside each bigger bead, relaxing my sphincter and preparing me for more. It's easy for her to press inside with her palm on the bottom of the base, and as I move my hips it goes in and out on its own. I'm soon ready for our next bigger toy, and the process begins again. I do much the same to myself when engaging in solo anal masturbation. Others have said that this toy is great for beginners, which is true. But I'm experienced and I have come to appreciate this plug more and more.
It would be nice if this toy (and the large size one, which I haven't tried yet) had a suction cup base, which wouldn't change the design much but add a useful function. But I have no complaints. I LOVE the purple color, one reason I buy Tantus toys and and recommend them to others--it's a lovely shade. And the quality of the silicone can't be beat. The toy is also perfect in terms of how flexible / firm it is. Thank you Tantus!