Horizon Treadmill Belt

treadmill
a job involving drudgery and confinement
A job or situation that is tiring, boring, or unpleasant and from which it is hard to escape
an exercise device consisting of an endless belt on which a person can walk or jog without changing place
a mill that is powered by men or animals walking on a circular belt or climbing steps
An exercise machine, typically with a continuous belt, that allows one to walk or run in place
A device formerly used for driving machinery, consisting of a large wheel with steps fitted into its inner surface. It was turned by the weight of people or animals treading the steps

horizon
The line at which the earth's surface and the sky appear to meet
the line at which the sky and Earth appear to meet
The circular boundary of the part of the earth's surface visible from a particular point, ignoring irregularities and obstructions
the range of interest or activity that can be anticipated; "It is beyond the horizon of present knowledge"
a specific layer or stratum of soil or subsoil in a vertical cross section of land
A great circle of the celestial sphere, the plane of which passes through the center of the earth and is parallel to that of the apparent horizon of a place

belt
belt out: sing loudly and forcefully
endless loop of flexible material between two rotating shafts or pulleys
A strip of leather or other material worn around the waist or across the chest, esp. in order to support clothes or carry weapons
A belt of a specified color, marking the attainment of a particular level in judo, karate, or similar sports
A belt worn as a sign of rank or achievement
a band to tie or buckle around the body (usually at the waist)