Large trees were often moved, using various contraptions invented for the purpose.
In the early years, ingenious contraptions were devised, like the trolley seen here in use during work on the long groin.
You're not supposed to spend hours using single muscles moving strange metal contraptions in time to bad house music.
Mason demonstrated his musical ability at several stages throughout the night by playing drums, guitar and an impressive assortment of percussion contraptions.
The mobile phone enthusiasts on the Internet have devised some rather clever contraptions that may increase your signal.