Abstract: A water toy includes a bumper ball having open ends and inner and outer walls separatable by an air space. Users enter and exit the ball through either or both of the open ends. The ball can be rotated by the occupant moving in one direction in it, as by walking. An open-ended cover, into which the ball is inserted deflated, contains fins on its exterior for interacting with water as the cover rotates when the ball is rotated. The cover also mounts a tow harness for connection to a boat tow rope, and the fins act to restrain spinning as the toy is towed through water.

Abstract: The lower portion of the outdrive of a stern drive motor or of an outboard motor for boats, is further protected from damage on striking submerged objects. Protection at low speed is gained by providing sharp or knife-like edge formed of rubber on the leading of the lower portion to gain the resiliency to cushion from damage at low speeds. Lower portions are typically pivotally mounted with respect to the rest of the motor to enable trim adjustment by a cylinder and piston arrangement. The cylinder and piston arrangement provides some cushion enabling damage-reducing backwards and upwards limited rocking on impact at low moderate speeds. Impact sensing mechanisms conventionally also release the pressure in the cylinder and piston arrangement at low and low-moderate speeds but are generally ineffective at moderate and high speeds to limit damage.