Mcgillicuddy serious Party smackometer

 
Dr Cairns of the Utility Muffin Research Laboratories presents his all new 
TRANSPOSOMETER

Takes the guesswork out of difficult key changes
with his shortly-to-be patented chord calculator
“What a handy little ghizmo” Paul Smith, Director Dunedin Fringe Festival.

Yes, clothes peg included in crazy price of only 
NZ$5.00
But wait there’s more...even comes with instructions handily printed on the back