Common discount when buying merchandise. Put together T-shirts, mix them with the LPs and add some musical puzzles at the end. Put together what you like and get the highest 10% discount. As many pieces are in the basket - as big discount is on your account: 2x=2%, 3=3%, 4=4%, 5=5%, 6=6%, 7=7%, 8=8%, 9=9% and you have 10 pieces with a 10% discount. Put it all in your cart and enter the MASHUP code.