Patent ID: 8807665

Claim:
A vehicle and wheel assembly, comprising: a vehicle having a vehicle wheel with a wheel opening, and a vehicle tire fitted onto said vehicle wheel having a tire periphery with a circumferential tread surface and a tire tread; and a climbing block having a block abutting surface resting against said tire tread and having a block traction surface facing outwardly from said tire tread; and block securing means securing said block against said circumferential tread surface, said block securing means comprising a strap slot extending through said block; and a strap having first and second strap ends and passing through said strap slot and having a length sufficient such that said first and second strap ends can be wrapped around and are wrapped around a segment of a tire and through said wheel opening in said vehicle wheel, and releasible strap end connection means for releasibly securing said first and second strap ends together while said strap wraps around said vehicle wheel and the tire segment and thereby holds said climbing block in position on said tire periphery, for use after the tire has become embedded in a depression in a viscous surface to grip the viscous surface while lifting the tire relative to the viscous surface such that tire rotation causes the tire to climb out of the depression and advance said vehicle to stable terrain.