Harmony Duo

The contoured shaft hits spots I didn't know existed, and it actually stays put without any straps digging in. My partner and I have used it three times this week, which says plenty.

Wasn't sure a strapless design would actually stay put, but it did, even when we switched positions. The synchronized vibration is what sold me though, feeling it on both ends at once is something a regular toy just can't do.

The contoured shaft hits the right spot for me while the base keeps steady pressure on my partner, which honestly surprised us both. We've used it three times this week and the sync between us feels effortless.