Hard to go wrong with a classic Hitachi magic wand, regardless of your anatomy or preferences.

Honestly, as long as you get a toy that has buttplug.io support, basically anything will work

Grok

Gotta go with the classic; the Hitachi Magic Wand.

Start small. Find an old game controller with vibration mode. Take out the weighted motor, attach it to a battery, and tape it to your dominant hand for your first session.

I've found this one to be convenient:

NSFW

A bullet is cheap to get you started, but a rabbit is the way to go imo

https://www.circuito.io/app?components=513%2C8449%2C360217

Physical therapy-level percussion massager direct to the jibblies.