Skate Treadmill

treadmill
a job involving drudgery and confinement
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
A job or situation that is tiring, boring, or unpleasant and from which it is hard to escape
An exercise machine, typically with a continuous belt, that allows one to walk or run in place
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

skate
sports equipment that is worn on the feet to enable the wearer to glide along and to be propelled by the alternate actions of the legs
Move on ice skates or roller skates in a gliding fashion
Perform (a specified figure) on skates
Ride on a skateboard
move along on skates; "The Dutch often skate along the canals in winter"
large edible rays having a long snout and thick tail with pectoral fins continuous with the head; swim by undulating the edges of the pectoral fins