The tutu-solder serves as a visual pun* and was a response to a "Transform and Exchange" brief:

 

Step 1: Purchase an item for £1.

Step 2: Modify the item. Things can be added or taken away, but the monitary cost of all these things will be subtracted from the profit your object will make at auction.

Step 3: Sell your modified product on E-Bay for as much profit as possible.

 

*With the world now spending 1 million million dollars on the military per year, and 54% of peace-keeping agreements breaking down within 5 years, can we say with sincerity that we're committed to peace? (Bruce Mau, Massive Change)