Abstract: Systems and methods are provided to permit groups of recreational vehicle riders and others the ability to quickly create and join groups without prior knowledge of the contact information of everyone in the group. In one embodiment, groups are joinable based on the proximity information of the prospective member and the current group members.

Abstract: A sanitary plunger including a hollow tubular handle shaft having a flexible force cup attached to the lower end thereof. The flexible force cup has a central opening communicating the interior of the hollow tubular handle shaft and the interior of the force cup. A distributor means allows a leading plastic protector bag to be withdrawn from the roll through the central opening of the force cup and pulled around the exterior surface of said force cup and around the lower portion of the exterior surface of said tubular handle shaft in a manner adapted to cover the interior and exterior surfaces of said force cup and the exterior of said lower portion of portion of said tubular handle shaft. A lock member holds the outer end of the bag against the outer surface of the hollow tubular handle shaft.

Abstract: A sanitary plunger including a hollow tubular handle shaft having a flexible force cup attached to the lower end thereof. The flexible force cup has a central opening communicating the interior of the hollow tubular handle shaft and the interior of the force cup. A spindle having a spindle shaft is positioned within the hollow tubular handle shaft. The spindle shaft is adapted to receive a roll of plastic protector bags and allow bags to be withdrawn to surround the inner surface of the force cup and the lower portion of the hollow tubular handle shaft. Means are provided for releasably holding the outer end of a plastic protector bag against the hollow tubular handle shaft.