Crossword Clue:

Nut case

AnswerCrossword Clue
SHELLNut case
YOYONut case
LOONNut case
PSYCHONut case
CRANKNut case
FRUITCAKENut case
BURNut case
CRANKNut-case
KOOKNut case
TOOLKITNut case?