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.

On snowy trails it glides with glee, where winter's breath does cradle thee.

Comfortably Holds Anyone Including Rocking Seats