Chiropractic mattress, or similar article
FIG. 1 is a top plan view of a chiropractic mattress, or similar article, showing my new design; 
     FIG. 2 is a side elevational view; 
     FIG. 3 is a front elevational view; 
     FIG. 4 is a rear elevational view; and 
     FIG. 5 is a bottom plan.