Answer:

eggshells

AnswerCrossword Clue
EGGSHELLSBreakfast refuse
EGGSHELLSWhite trash?
EGGSHELLSWalking surface for the nervous
EGGSHELLSFragile racing vessels
EGGSHELLSThey may be walked on
EGGSHELLSThings painted in the spring