To be as pellucid as possible, I am decidely NOT looking for a pair of breasts that are solely for fondling, or "eye candy."

I'm looking for some insight from people who've actually owned a decent few for paizuri purposes: the main thing(s) I want are breasts that actually "grip" my penis to some extent (IAAP), as opposed to simply flopping around it.

Triple (or quad?) layered, the works... I just want something that'll feel like it's actually "working" me.

This might be a longshot given the nature of these breast toys, but... oh well?

Will buy from anywhere if it's good enough.

(Also, more generally: is silicone or TPE better in this case?)