Worn by the rich elite, half a pair of glasses, singular lens symbol of wealth.

A common tool for gardeners and fire fighters. I look like a snake spitting water.

The Texas instrument that's lacking keys. No adding, multipliers, or parentheses. Subtract and divide, those are the choices. And there may be some unpleasant noises.

Put me on your foot for a nice walk along the beach!

Sometimes I churn upon the ice and salt. Though calmer conditions are the default. Elsewhere, I am used with wooden paddles. Just go slow, or a head will be stern battle.