Audio cassette tape, box and envelope Length of audio cassette tape. Housed inside a box previously housing 'Snap-It', a children's explosive cap, and found inside an envelope. Written on the envelope, 'Chewed up part of Battersea Dogs'. Likely to be a recording made by Cripps at Battersea Dogs Home and used in his work in Artists for Democracy, Fitzrovia Cultural Centre, London, (1976). c. 1976