Last riddle I wrote, You swore it was wine? Try this technique, Letters re-aligned

I float on my back like I’ve solved every worry, Cracking my dinner without any hurry. I hold hands at night so we don’t drift apart, A whiskered prankster with a clever heart. I’m not quite a bear, yet I swim with a grin. Who am I, splashing laughter wherever I’ve been?

What kind of tree can you carry in your hand?

Let the beat do it and you're sure to have a hit Let an egg do it and you're cleaning up quite a bit

I'm used to indicate scale, an international method of measurement. But only if you want to be funny or follow the Dull Men's Club regiment.