ADDING SQUISHY NETTING THAT IS USED TO LINE KITCHEN CUPBOARDS SO GLASSES DON’T CHIP TO BOTTOM OF INCUBATOR HAS SEVERAL BENEFITS. STOPS EGGS FROM ROLLING WHEN EXCITED HATCHLINGS CRASH INTO THEM WHILE STILL ALLOWING THE TURNING TRAY TO DO ITS JOB, KEEPS CHICKS FROM SLIPPING ON SLICK INCUBATOR FLOOR. I CUT MINE TO GO UP THE SIDES OF THE INCUBATOR - WHICH OFFERS A SAFE COVERING FOR THE FAN GRATES WHILE STILL ALLOWING AIR FLOW. CUT A HOLE FOR THE TURNER, AND WASH IN DISHWASHER BETWEEN HATCHES.