I've tried a few times, but it seems like a difficult process.

That's great. Do you have any ideas for improving the water?

A ram (animal) association is plausible since the Greeks and the Celts did the same. Rammabukkaz could be the proto-germanic equivalent to the High German Rammbock. I would use something with *warō ("wares, goods, merchandise"). Maybe *Warnaweraz or *Warnamannoz.